澳门新萄京:JS实现的进度条,移动端项目总结
分类:澳门新萄京最大平台

H5单页面手势滑屏切换原理

2016/03/22 · HTML5 · 2 评论 · 滑屏

原著出处: 一像素   

H5单页面手势滑屏切换是行使HTML5 触摸事件(Touch卡塔尔(英语:State of Qatar) 和 CSS3卡通(Transform,Transition卡塔尔(英语:State of Qatar)来促成的,效果图如下所示,本文轻巧说一下其达成原理和主要思路。

澳门新萄京 1

1、完成原理

后生可畏经有5个页面,各种页面占荧屏百分百宽,则开创三个DIV容器viewport,将其调幅(width卡塔尔设置为500%,然后将5个页面装入容器中,并让那5个页面平分整个容器,最终将容器的暗中认可地方设置为0,overflow设置为hidden,那样显示器就默许展现第一个页面。

<div id="viewport" class="viewport"> <div class="pageview" style="background: #3b76c0" > <h3 >页面-1</h3> </div> <div class="pageview" style="background: #58c03b;"> <h3>页面-2</h3> </div> <div class="pageview" style="background: #c03b25;"> <h3>页面-3</h3> </div> <div class="pageview" style="background: #e0a718;"> <h3>页面-4</h3> </div> <div class="pageview" style="background: #c03eac;"> <h3>页面-5</h3> </div> </div>

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<div id="viewport" class="viewport">
    <div class="pageview" style="background: #3b76c0" >
        <h3 >页面-1</h3>
    </div>
    <div class="pageview" style="background: #58c03b;">
        <h3>页面-2</h3>
    </div>
    <div class="pageview" style="background: #c03b25;">
        <h3>页面-3</h3>
    </div>
    <div class="pageview" style="background: #e0a718;">
        <h3>页面-4</h3>
    </div>
    <div class="pageview" style="background: #c03eac;">
        <h3>页面-5</h3>
    </div>
</div>

CSS样式:

.viewport{ width: 500%; height: 100%; display: -webkit-box; overflow: hidden; pointer-events: none; -webkit-transform: translate3d(0,0,0); backface-visibility: hidden; position: relative; }

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.viewport{
   width: 500%;
   height: 100%;
   display: -webkit-box;
   overflow: hidden;
   pointer-events: none;
   -webkit-transform: translate3d(0,0,0);
   backface-visibility: hidden;
   position: relative;
}

澳门新萄京:JS实现的进度条,移动端项目总结。登记touchstart,touchmove和touchend事件,当手指在显示屏上海好笑剧团动时,使用CSS3的transform来实时设置viewport的地点,举例要显示第一个页面,就安装viewport的transform:translate3d(100%,0,0卡塔尔(英语:State of Qatar)就可以, 在此大家应用translate3d来代替translateX,translate3d能够积极张开手提式无线电话机GPU加速渲染,页面滑动更流畅。

2、主要思路

从手指放在显示屏上、滑动操作、再到离开荧屏是叁个平安无事的操作进度,对应的操作会触发如下事件:

手指放在显示屏上:ontouchstart

手指在显示屏上海好笑剧团动:ontouchmove

手指离开显示器:ontouchend

我们须求捕获触摸事件的那四个阶段来形成页面包车型地铁滑动:

ontouchstart: 先导化变量, 记录手指所在的地点,记录当前光阴

/*手指放在显示屏上*/ document.addEventListener("touchstart",function(e){ e.preventDefault(); var touch = e.touches[0]; startX = touch.pageX; startY = touch.pageY; initialPos = currentPosition; //这一次滑动前的开首地方 viewport.style.webkitTransition = ""; //打消动漫作用 startT = new Date(卡塔尔国.getTime(); //记录手指按下的开首时间 isMove = false; //是还是不是产生滑动 }.bind(this卡塔尔(قطر‎,false卡塔尔(قطر‎;

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/*手指放在屏幕上*/
document.addEventListener("touchstart",function(e){
   e.preventDefault();
   var touch = e.touches[0];
   startX = touch.pageX;
   startY = touch.pageY;
   initialPos = currentPosition;   //本次滑动前的初始位置
   viewport.style.webkitTransition = ""; //取消动画效果
   startT = new Date().getTime(); //记录手指按下的开始时间
   isMove = false; //是否产生滑动
}.bind(this),false);

ontouchmove: 取妥帖前所在地方,计算手指在显示屏上的运动差量deltaX,然后使页面跟随移动

/*手指在显示器上海滑稽剧团动,页面跟随手指运动*/ document.addEventListener("touchmove",function(e){ e.preventDefault(); var touch = e.touches[0]; var deltaX = touch.pageX - startX; var deltaY = touch.pageY - startY; //倘若X方向上的位移大于Y方向,则感到是反正滑动 if (Math.abs(deltaX卡塔尔(英语:State of Qatar) > Math.abs(deltaY卡塔尔卡塔尔(قطر‎{ moveLength = deltaX; var translate = initialPos deltaX; //当前内需活动到的岗位 //固然translate>0 或 if (translate = maxWidth卡塔尔国{ //移动页面 this.transform.call(viewport,translate卡塔尔(英语:State of Qatar); isMove = true; } direction = deltaX>0?"right":"left"; //决断手指滑动的样子 } }.bind(this卡塔尔,false卡塔尔(英语:State of Qatar);

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/*手指在屏幕上滑动,页面跟随手指移动*/
document.addEventListener("touchmove",function(e){
   e.preventDefault();
   var touch = e.touches[0];
   var deltaX = touch.pageX - startX;
   var deltaY = touch.pageY - startY;
   //如果X方向上的位移大于Y方向,则认为是左右滑动
   if (Math.abs(deltaX) > Math.abs(deltaY)){
       moveLength = deltaX;
       var translate = initialPos deltaX; //当前需要移动到的位置
       //如果translate>0 或
       if (translate = maxWidth){
           //移动页面
           this.transform.call(viewport,translate);
           isMove = true;
       }
       direction = deltaX>0?"right":"left"; //判断手指滑动的方向
   }
}.bind(this),false);

ontouchend:手指离开荧屏时,计算显示器最后停留在哪生机勃勃页。首先总结手指在显示器上的停留时间deltaT,要是deltaT

(1卡塔尔若是是火速度滑冰动,则让近些日子页面完整的滞留在荧屏主旨(须要计算当前页面还会有稍微必要滑动卡塔尔(قطر‎

(2卡塔尔国假若是慢速度滑冰动,还亟需看清手指在荧屏上海好笑剧团动的相距,固然滑动的间距未有超越荧屏宽度八分之四,则要回落到上意气风发页,相反则要停留在当下页面

/*手指离开荧屏时,总括最终要求逗留在哪生龙活虎页*/ document.add伊夫ntListener("touchend",function(e卡塔尔(قطر‎{ e.preventDefault(卡塔尔(قطر‎; var translate = 0; //计算手指在荧屏上驻留的时刻 var deltaT = new Date(卡塔尔(英语:State of Qatar).getTime(卡塔尔(英语:State of Qatar) - startT; if (isMove卡塔尔(英语:State of Qatar){ //发生了左右滑动 //使用动漫片过渡让页面滑动到终极的职分 viewport.style.webkitTransition = "0.3s ease -webkit-transform"; if(deltaT //假若停留时间小于300ms,则认为是便捷滑动,无论滑动距离是微微,都停留到下风度翩翩页 translate = direction == 'left'? currentPosition-(pageWidth moveLength卡塔尔国:currentPosition pageWidth-moveLength; //要是最终地方抢先界限地点,则停留在边界地方 translate = translate > 0 ? 0 : translate; //左边界 translate = translate //侧边界 }else { //假若滑动间隔小于显示屏的六分之三,则退回到上生机勃勃页 if (Math.abs(moveLength卡塔尔(قطر‎/pageWidth moveLength; }else{ //借使滑动间隔超越显示器的50%,则滑动到下一页 translate = direction == 'left'? currentPosition-(pageWidth moveLength卡塔尔:currentPosition pageWidth-moveLength; translate = translate > 0 ? 0 : translate; translate = translate maxWidth : translate; } } //实行滑动,让页面完整的呈现到显示器上 this.transform.call(viewport,translate卡塔尔(قطر‎; } }.bind(this卡塔尔(قطر‎,false卡塔尔;

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/*手指离开屏幕时,计算最终需要停留在哪一页*/
document.addEventListener("touchend",function(e){
   e.preventDefault();
   var translate = 0;
   //计算手指在屏幕上停留的时间
   var deltaT = new Date().getTime() - startT;
   if (isMove){ //发生了左右滑动
        //使用动画过渡让页面滑动到最终的位置
        viewport.style.webkitTransition = "0.3s ease -webkit-transform";
        if(deltaT //如果停留时间小于300ms,则认为是快速滑动,无论滑动距离是多少,都停留到下一页
            translate = direction == 'left'?
            currentPosition-(pageWidth moveLength):currentPosition pageWidth-moveLength;
            //如果最终位置超过边界位置,则停留在边界位置
            translate = translate > 0 ? 0 : translate; //左边界
            translate = translate //右边界
        }else {
            //如果滑动距离小于屏幕的50%,则退回到上一页
            if (Math.abs(moveLength)/pageWidth moveLength;
            }else{
                //如果滑动距离大于屏幕的50%,则滑动到下一页
                translate = direction == 'left'?
                currentPosition-(pageWidth moveLength):currentPosition pageWidth-moveLength;
                translate = translate > 0 ? 0 : translate;
                translate = translate  maxWidth : translate;
            }
        }
        //执行滑动,让页面完整的显示到屏幕上
        this.transform.call(viewport,translate);
    }
}.bind(this),false);

除去,还要总计当前页面是第几页,并安装当前页码

//计算当前的页码 pageNow = Math.round(Math.abs(translate卡塔尔 / pageWidth卡塔尔(英语:State of Qatar) 1; setTimeout(function(卡塔尔{ //设置页码,DOM操作要求停放子线程中,不然会并发卡顿 this.setPageNow(卡塔尔; }.bind(this卡塔尔(英语:State of Qatar),100卡塔尔(英语:State of Qatar);

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//计算当前的页码
pageNow = Math.round(Math.abs(translate) / pageWidth) 1;
 
setTimeout(function(){
    //设置页码,DOM操作需要放到子线程中,否则会出现卡顿
    this.setPageNow();
}.bind(this),100);

主干的思路就那个,当然在实操进度中还也许有风流倜傥对细节需求小心,这里就不详细说了,都在代码里能显示出来,源代码已传至Git:https://github.com/git-onepixel/guesture, 有意思味的同桌款待一同商量,(由于时日原因,本示例没有投入history路由卡塔尔国,你也足以点击或扫描下边二维码来查阅示例效果:

澳门新萄京 2

 

3 赞 24 收藏 2 评论

澳门新萄京 3

澳门新萄京 4// 进度条
澳门新萄京 5//<input type="button" value="start" onclick="processBar.changeMode();if(processBar.isMoving){this.value='Stop';}else{this.value='Start';}">
澳门新萄京 6//---------------------------
澳门新萄京 7//<script language="javascript" src="ProcessBar.js"></script>
澳门新萄京 8//<input type="button" value="start" onclick="(new ProcessBar()).changeMode();">
澳门新萄京 9//可达成形式:doProcessBarAction(卡塔尔(قطر‎
澳门新萄京 10//---------------------------
澳门新萄京 11
澳门新萄京 12
澳门新萄京 13澳门新萄京 14function ProcessBar()澳门新萄京 15{
澳门新萄京 16    var divG =document.createElement("<div style="background: url('../image/0.gif') no-repeat;margin:0 auto;text-align:center;width:256px;height:18px;position:absolute;top:45%;left:40%;font-size:13px;z-index:1000;"></div>");
澳门新萄京 17    var proc =document.createElement("<div id='proc' style="background: url('../image/1.gif');position:absolute;top:0;left:0;width:0px;height:18px;font-size:13px;z-index:1000;"></div>");
澳门新萄京 18    var div2 =document.createElement("<div style='position:absolute;top:2;left:0;width:256px;height:18px;text-align:center;font-size:13px;background:transparent'> </div>");
澳门新萄京 19    divG.appendChild(proc);
澳门新萄京 20    //divG.appendChile(div2);
澳门新萄京 21    document.body.appendChild(divG);
澳门新萄京 22    document.execCommand("BackgroundImageCache",false,true);
澳门新萄京 23    
澳门新萄京 24    var obj = proc;
澳门新萄京 25    this.isMoving = false;
澳门新萄京 26    this.maxLength = parseInt(obj.parentNode.style.width.replace("px",""));
澳门新萄京 27    this.nowLength = parseInt(obj.style.width.replace("px",""));
澳门新萄京 28    this.moveInterval = 100;
澳门新萄京 29    this.moveRange = 1;
澳门新萄京 30    this.timer;
澳门新萄京 31    this.obj = obj;
澳门新萄京 32
澳门新萄京 33    ProcessBar.nowObj = this;  
澳门新萄京 34
澳门新萄京 35澳门新萄京 36   this.changeMode = function()澳门新萄京 37{
澳门新萄京 38                this.isMoving = !this.isMoving;
澳门新萄京 39                
澳门新萄京 40澳门新萄京 41                if(this.isMoving)澳门新萄京 42{
澳门新萄京 43                        createBgDiv(卡塔尔(英语:State of Qatar); //创造页面蒙版
澳门新萄京 44                        this.timer = window.setInterval(ProcessBar.nowObj.moving, this.moveInterval);
澳门新萄京 45澳门新萄京 46                }else澳门新萄京 47{
澳门新萄京 48                        window.clearInterval(this.timer);
澳门新萄京 49                }
澳门新萄京 50   }
澳门新萄京 51
澳门新萄京 52澳门新萄京 53   this.moving = function()澳门新萄京 54{
澳门新萄京 55        ProcessBar.nowObj.nowLength  = ProcessBar.nowObj.moveRange;
澳门新萄京 56                ProcessBar.nowObj.obj.style.width = ProcessBar.nowObj.nowLength;
澳门新萄京 57
澳门新萄京 58                //ProcessBar.nowObj.obj.parentNode.lastChild.firstChild.data = Math.ceil((ProcessBar.nowObj.nowLength/ProcessBar.nowObj.maxLength)*100)   "%";
澳门新萄京 59
澳门新萄京 60澳门新萄京 61                if(ProcessBar.nowObj.nowLength >= ProcessBar.nowObj.maxLength)澳门新萄京 62{
澳门新萄京 63                        window.clearInterval(ProcessBar.nowObj.timer);
澳门新萄京 64                        //ProcessBar.nowObj.obj.parentNode.lastChild.firstChild.data = "Complete!";
澳门新萄京 65                        //推行事件
澳门新萄京 66澳门新萄京 67                        try澳门新萄京 68{
澳门新萄京 69                           doProcessBarAction();
澳门新萄京 70                        }
澳门新萄京 71                        catch(e)
澳门新萄京 72澳门新萄京 73                        澳门新萄京 74{}
澳门新萄京 75                        delBgDiv(卡塔尔(قطر‎; //铲除页面蒙版
澳门新萄京 76                }
澳门新萄京 77   }
澳门新萄京 78   
澳门新萄京 79}
澳门新萄京 80
澳门新萄京 81//var processBar = new ProcessBar(proc);
澳门新萄京 82
澳门新萄京 83//页面蒙版
澳门新萄京 84function createBgDiv()
澳门新萄京 85澳门新萄京 86澳门新萄京 87{
澳门新萄京 88    var h=document.body.clientHeight;
澳门新萄京 89    var w=document.body.clientWidth;
澳门新萄京 90    var div=document.createElement("<div id='divDialogBg' style='position:absolute;visibility:visible;background:gray;filter:alpha(opacity=30);z-index:1000;left:0;top:0;width:" w "px;height:" h "px;'></div>");
澳门新萄京 91    //div.appendChild(document.createTextNode("xxxxxxxxxxxxxxxxxxxx"));
澳门新萄京 92    document.body.appendChild(div);        
澳门新萄京 93}
澳门新萄京 94function delBgDiv()
澳门新萄京 95澳门新萄京 96澳门新萄京 97{
澳门新萄京 98    document.body.removeChild(document.getElementById("divDialogBg"));        
澳门新萄京 99}    

1.配备事件

jquery——移动端滚动条插件iScroll.js,jqueryiscroll.js

官网:

demo:

滚动刷新:

澳门新萄京 100

  'Carousel' demo

澳门新萄京 101

iScroll作用很强盛,方今自家只用来 自定义滚动条 以下简介一下iscrol在移动端自定义滚动条时的接纳和注意事项。

澳门新萄京 102澳门新萄京 103

配备事件能够让开采职员鲜明客户在什么样利用设备

一、用法

iScroll对要滚动的元素举办起初化,且不节制一个页面中接收iScroll的因素个数。

利用iScroll时,DOM树的布局要丰硕简单,移除不必要的竹签,防止过多的竹签嵌套。

移步Safari增添了orientationchange事件,以便开拓人员能够规定顾客什么时候将配备横向查看格局转变为纵向查看格局。

1、html部分

品质有多少个值:0--代表肖像方式  90--左转向形式  -90--右转向情势

1.1、最优最简便易行的iScroll布局

<div id="wrapper">
        <ul>
               <li></li>
               .....
        </ul>
</div>

本例中,ul标签将被滚动。iScroll应当要与滚动内容外的wrapper协作才具奏效

假定客商改动了装备的查看方式,就能够触发orientationchange事件

1.2、独有wrapper里的率先个子成分才足以滚动 

因为独有wrapper里的率先个子元素才科院滚动,所以要让多少个元素滚动 ,写法如下:

<div id="wrapper">
        <div id="scroller">
               <ul>
                    <li></li>
                     ...
                </ul>
                <ul>
                     <li></li>
                     ...
                </ul>
       </div>
</div>

scroller这几个因素得以滚动,即便它饱含多少个ul元素。

eventUtil.addHandle(Window,orirntationchange,function(){

2、js调用部分 

div.innerHTML='Currentorientation is " window.orientation;

2.1 、使用onDomContentLoaded事件完成滚动

适用于滚动内容只富含文字、图片,何况具备的图纸都有一定的尺码    

<script src="iscroll.js"></script>
<script>
        var myscroll; //myscroll是全局变量,可以在任意地方调用
        function loaded(){
                   myscroll=new iScroll("wrapper");
         }
        window.addEventListener("DOMContentLoaded",loaded,false);
</script>

});

2.2、利用onLoad事件完结滚动

因为DOMContentLoaded事件是载入DOM构造后就能够被调用,所以在图纸等成分未载入前只怕无法明确滚动区域的长宽,那个时候能够应用onLoad事件来兑现。

<script src="iscroll.js"><script>
<script>
            var myscroll;
            function loaded(){
           setTimeout(function(){
                    myscroll=new iScroll("wrapper");
             },100 );
        }
        window.addEventListener("load",loaded,false);
 </script>

这种场所下iScroll会在页面能源(富含图形)加载完成100ms之后获得初步化,那应当是风流浪漫种相比较安全的调用iScroll的方式。

2.px像素知识

2.3、弹框中的滚动条加载 

弹框平时用display:none和display:block切换到促成。 

display:none的成分浏览器未有渲染,所以不能测算滚动内容的中度。

进而在弹框调用show(卡塔尔(英语:State of Qatar)呈现出来后,再实例化滚动条区域。如下:

$("#mobile_show_duobao_all_num").show();
new iScroll('tc-wrapper2', {
    scrollbarClass: 'myScrollbar' ,
    hScrollbar:false,
    vScroll:true,
    hideScrollbar: false //是否隐藏滚动条  
});      

提示:现身滑动屏幕时,整个页面滑动的包容性难点,消除办法如下:

document.addEventListener('touchmove', function (e) { e.preventDefault(); }, false);

iphone5分辨率640*1136

2.4、iScroll传参

iScroll里的第一个参数允许你自定义一些剧情,譬喻是或不是隐身滚动条等。常用参数如下:

hScroll                 false 禁止横向滚动 true横向滚动 默认为true
vScroll                 false 精致垂直滚动 true垂直滚动 默认为true
hScrollbar            false隐藏水平方向上的滚动条
vScrollbar            false 隐藏垂直方向上的滚动条
fixedScrollbar      在iOS系统上,当元素拖动超出了scroller的边界时,滚动条会收缩,设置为true可以禁止滚动条超出
                          scroller的可见区域。默认在Android上为true, iOS上为false
fadeScrollbar     false 指定在无渐隐效果时隐藏滚动条
hideScrollbar     在没有用户交互时隐藏滚动条 默认为true
bounce             启用或禁用边界的反弹,默认为true
momentum       启用或禁用惯性,默认为true,此参数在你想要保存资源的时候非常有用
lockDirection       false取消拖动方向的锁定, true拖动只能在一个方向上(up/down 或者left/right)

逻辑像素与物理像素的涉嫌

2.5、通用方法

refresh     在DOM树爆发变化时,应该调用此方式

eg: setTimeout(function () { myScroll.refresh(); }, 0); 

dpr:设备像素缩放比

3、css部分

 自定义滚动条样式时须求给滚动条增添七个class参数,如下

var myscroll=new iScroll("wrapper",{
  scrollbarClass: "myScrollbar"
});

滚动条是由七个因素组合而成的:容器和显示屏。容器wrapper的惊人相通,而显示器则象征的是滚动条本身。

html结果如下:

<div class="myScrollbarV">
    <div></div>
</div>

css如下,能够自动纠正:

@charset "utf-8";
/* CSS Document */


/**
 *
 * Horizontal Scrollbar
 *
 */
.myScrollbarH {
    position:absolute;
    z-index:100;
    height:8px;
    bottom:1px;
    left:2px;
    right:7px
}

.myScrollbarH > div {
    position:absolute;
    z-index:100;
    height:100%;

    /* The following is probably what you want to customize */
    background-image:-webkit-gradient(linear, 0 0, 100% 0, from(#a00), to(#f00));
    background-image:-moz-linear-gradient(top, #f00, #900);
    background-image:-o-linear-gradient(top, #f00, #900);

    border:1px solid #900;
    -webkit-background-clip:padding-box;
    -moz-background-clip:padding-box;
    -o-background-clip:padding-box;
    background-clip:padding-box;

    -webkit-box-sizing:border-box;
    -moz-box-sizing:border-box;
    -o-box-sizing:border-box;
    box-sizing:border-box;

    -webkit-border-radius:4px;
    -moz-border-radius:4px;
    -o-border-radius:4px;
    border-radius:4px;

    -webkit-box-shadow:inset 1px 1px 0 rgba(255,255,255,0.5);
    -moz-box-shadow:inset 1px 1px 0 rgba(255,255,255,0.5);
    -o-box-shadow:inset 1px 1px 0 rgba(255,255,255,0.5);
    box-shadow:inset 1px 1px 0 rgba(255,255,255,0.5);
}


/**
 *
 * Vertical Scrollbar
 *
 */
.myScrollbarV {
    position:absolute;
    z-index:100;
    width:8px;bottom:7px;top:2px;right:1px
}

.myScrollbarV > div {
    position:absolute;
    z-index:100;
    width:100%;

    /* The following is probably what you want to customize */
    background:-webkit-gradient(linear, 0 0, 100% 0, from(#f00), to(#900));
    background-image:-moz-linear-gradient(top, #f00, #900);
    background-image:-o-linear-gradient(top, #f00, #900);

    border:1px solid #900;

    -webkit-background-clip:padding-box;
    -moz-background-clip:padding-box;
    -o-background-clip:padding-box;
    background-clip:padding-box;

    -webkit-box-sizing:border-box;
    -moz-box-sizing:border-box;
    -o-box-sizing:border-box;
    box-sizing:border-box;

    -webkit-border-radius:4px;
    -moz-border-radius:4px;
    -o-border-radius:4px;
    border-radius:4px;

    -webkit-box-shadow:inset 1px 1px 0 rgba(255,255,255,0.5);
    -moz-box-shadow:inset 1px 1px 0 rgba(255,255,255,0.5);
    -o-box-shadow:inset 1px 1px 0 rgba(255,255,255,0.5);
    box-shadow:inset 1px 1px 0 rgba(255,255,255,0.5);
}

 

总结公式:1px=(dpr卡塔尔^2*dp;

二、示例

iphone5的dpr=2;

1、html js

iScroll.js

澳门新萄京 104/*! * iScroll v4.2.5 ~ Copyright (c) 2012 Matteo Spinelli, * Released under MIT license, */ (function(window, doc){ var m = Math, dummyStyle = doc.createElement('div').style, vendor = (function () { var vendors = 't,webkitT,MozT,msT,OT'.split(','), t, i = 0, l = vendors.length; for ( ; i < l; i ) { t = vendors[i]澳门新萄京:JS实现的进度条,移动端项目总结。 'ransform'; if ( t in dummyStyle ) { return vendors[i].substr(0, vendors[i].length - 1); } } return false; })(), cssVendor = vendor ? '-' vendor.toLowerCase() '-' : '', // Style properties transform = prefixStyle('transform'), transitionProperty = prefixStyle('transitionProperty'), transitionDuration = prefixStyle('transitionDuration'), transformOrigin = prefixStyle('transformOrigin'), transitionTimingFunction = prefixStyle('transitionTimingFunction'), transitionDelay = prefixStyle('transitionDelay'), // Browser capabilities isAndroid = (/android/gi).test(navigator.appVersion), isIDevice = (/iphone|ipad/gi).test(navigator.appVersion), isTouchPad = (/hp-tablet/gi).test(navigator.appVersion), has3d = prefixStyle('perspective') in dummyStyle, hasTouch = 'ontouchstart' in window && !isTouchPad, hasTransform = vendor !== false, hasTransitionEnd = prefixStyle('transition') in dummyStyle, RESIZE_EV = 'onorientationchange' in window ? 'orientationchange' : 'resize', START_EV = hasTouch ? 'touchstart' : 'mousedown', MOVE_EV = hasTouch ? 'touchmove' : 'mousemove', END_EV = hasTouch ? 'touchend' : 'mouseup', CANCEL_EV = hasTouch ? 'touchcancel' : 'mouseup', TRNEND_EV = (function () { if ( vendor === false ) return false; var transitionEnd = { '' : 'transitionend', 'webkit' : 'webkitTransitionEnd', 'Moz' : 'transitionend', 'O' : 'otransitionend', 'ms' : 'MSTransitionEnd' }; return transitionEnd[vendor]; })(), nextFrame = (function() { return window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame || function(callback) { return setTimeout(callback, 1); }; })(), cancelFrame = (function () { return window.cancelRequestAnimationFrame || window.webkitCancelAnimationFrame || window.webkitCancelRequestAnimationFrame || window.mozCancelRequestAnimationFrame || window.oCancelRequestAnimationFrame || window.msCancelRequestAnimationFrame || clearTimeout; })(), // Helpers translateZ = has3d ? ' translateZ(0)' : '', // Constructor iScroll = function (el, options) { var that = this, i; that.wrapper = typeof el == 'object' ? el : doc.getElementById(el); that.wrapper.style.overflow = 'hidden'; that.scroller = that.wrapper.children[0]; // Default options that.options = { hScroll: true, vScroll: true, x: 0, y: 0, bounce: true, bounceLock: false, momentum: true, lockDirection: true, useTransform: true, useTransition: false, topOffset: 0, checkDOMChanges: false, // Experimental handleClick: true, // Scrollbar hScrollbar: true, vScrollbar: true, fixedScrollbar: isAndroid, hideScrollbar: isIDevice, fadeScrollbar: isIDevice && has3d, scrollbarClass: '', // Zoom zoom: false, zoomMin: 1, zoomMax: 4, doubleTapZoom: 2, wheelAction: 'scroll', // Snap snap: false, snapThreshold: 1, // Events onRefresh: null, onBeforeScrollStart: function (e) { e.preventDefault(); }, onScrollStart: null, onBeforeScrollMove: null, onScrollMove: null, onBeforeScrollEnd: null, onScrollEnd: null, onTouchEnd: null, onDestroy: null, onZoomStart: null, onZoom: null, onZoomEnd: null }; // User defined options for (i in options) that.options[i] = options[i]; // Set starting position that.x = that.options.x; that.y = that.options.y; // Normalize options that.options.useTransform = hasTransform && that.options.useTransform; that.options.hScrollbar = that.options.hScroll && that.options.hScrollbar; that.options.vScrollbar = that.options.vScroll && that.options.vScrollbar; that.options.zoom = that.options.useTransform && that.options.zoom; that.options.useTransition = hasTransitionEnd && that.options.useTransition; // Helpers FIX ANDROID BUG! // translate3d and scale doesn't work together! // Ignoring 3d ONLY WHEN YOU SET that.options.zoom if ( that.options.zoom && isAndroid ){ translateZ = ''; } // Set some default styles that.scroller.style[transitionProperty] = that.options.useTransform ? cssVendor 'transform' : 'top left'; that.scroller.style[transitionDuration] = '0'; that.scroller.style[transformOrigin] = '0 0'; if (that.options.useTransition) that.scroller.style[transitionTimingFunction] = 'cubic-bezier(0.33,0.66,0.66,1)'; if (that.options.useTransform) that.scroller.style[transform] = 'translate(' that.x 'px,' that.y 'px)' translateZ; else that.scroller.style.cssText = ';position:absolute;top:' that.y 'px;left:' that.x 'px'; if (that.options.useTransition) that.options.fixedScrollbar = true; that.refresh(); that._bind(RESIZE_EV, window); that._bind(START_EV); if (!hasTouch) { if (that.options.wheelAction != 'none') { that._bind('DOMMouseScroll'); that._bind('mousewheel'); } } if (that.options.checkDOMChanges) that.checkDOMTime = setInterval(function () { that._checkDOMChanges(); }, 500); }; // Prototype iScroll.prototype = { enabled: true, x: 0, y: 0, steps: [], scale: 1, currPageX: 0, currPageY: 0, pagesX: [], pagesY: [], aniTime: null, wheelZoomCount: 0, handleEvent: function (e) { var that = this; switch(e.type) { case START_EV: if (!hasTouch && e.button !== 0) return; that._start(e); break; case MOVE_EV: that._move(e); break; case END_EV: case CANCEL_EV: that._end(e); break; case RESIZE_EV: that._resize(); break; case 'DOMMouseScroll': case 'mousewheel': that._wheel(e); break; case TRNEND_EV: that._transitionEnd(e); break; } }, _checkDOMChanges: function () { if (this.moved || this.zoomed || this.animating || (this.scrollerW == this.scroller.offsetWidth * this.scale && this.scrollerH == this.scroller.offsetHeight * this.scale)) return; this.refresh(); }, _scrollbar: function (dir) { var that = this, bar; if (!that[dir 'Scrollbar']) { if (that[dir 'ScrollbarWrapper']) { if (hasTransform) that[dir 'ScrollbarIndicator'].style[transform] = ''; that[dir 'ScrollbarWrapper'].parentNode.removeChild(that[dir 'ScrollbarWrapper']); that[dir 'ScrollbarWrapper'] = null; that[dir 'ScrollbarIndicator'] = null; } return; } if (!that[dir 'ScrollbarWrapper']) { // Create the scrollbar wrapper bar = doc.createElement('div'); if (that.options.scrollbarClass) bar.className = that.options.scrollbarClass dir.toUpperCase(); else bar.style.cssText = 'position:absolute;z-index:100;' (dir == 'h' ? 'height:7px;bottom:1px;left:2px;right:' (that.vScrollbar ? '7' : '2')

  • 'px' : 'width:7px;bottom:' (that.hScrollbar ? '7' : '2') 'px;top:2px;right:1px'); bar.style.cssText = ';pointer-events:none;' cssVendor 'transition-property:opacity;' cssVendor 'transition-duration:' (that.options.fadeScrollbar ? '350ms' : '0') ';overflow:hidden;opacity:' (that.options.hideScrollbar ? '0' : '1'); that.wrapper.appendChild(bar); that[dir 'ScrollbarWrapper'] = bar; // Create the scrollbar indicator bar = doc.createElement('div'); if (!that.options.scrollbarClass) { bar.style.cssText = 'position:absolute;z-index:100;background:rgba(0,0,0,0.5);border:1px solid rgba(255,255,255,0.9);' cssVendor 'background-clip:padding-box;' cssVendor 'box-sizing:border-box;' (dir == 'h' ? 'height:100%' : 'width:100%') ';' cssVendor 'border-radius:3px;border-radius:3px'; } bar.style.cssText = ';pointer-events:none;' cssVendor 'transition-property:' cssVendor
  • 'transform;' cssVendor 'transition-timing-function:cubic-bezier(0.33,0.66,0.66,1);' cssVendor
  • 'transition-duration:0;' cssVendor 'transform: translate(0,0)' translateZ; if (that.options.useTransition) bar.style.cssText = ';' cssVendor 'transition-timing-function:cubic-bezier(0.33,0.66,0.66,1)'; that[dir 'ScrollbarWrapper'].appendChild(bar); that[dir 'ScrollbarIndicator'] = bar; } if (dir == 'h') { that.hScrollbarSize = that.hScrollbarWrapper.clientWidth; that.hScrollbarIndicatorSize = m.max(m.round(that.hScrollbarSize * that.hScrollbarSize / that.scrollerW), 8); that.hScrollbarIndicator.style.width = that.hScrollbarIndicatorSize 'px'; that.hScrollbarMaxScroll = that.hScrollbarSize - that.hScrollbarIndicatorSize; that.hScrollbarProp = that.hScrollbarMaxScroll / that.maxScrollX; } else { that.vScrollbarSize = that.vScrollbarWrapper.clientHeight; that.vScrollbarIndicatorSize = m.max(m.round(that.vScrollbarSize * that.vScrollbarSize / that.scrollerH), 8); that.vScrollbarIndicator.style.height = that.vScrollbarIndicatorSize 'px'; that.vScrollbarMaxScroll = that.vScrollbarSize - that.vScrollbarIndicatorSize; that.vScrollbarProp = that.vScrollbarMaxScroll / that.maxScrollY; } // Reset position that._scrollbarPos(dir, true); }, _resize: function () { var that = this; setTimeout(function () { that.refresh(); }, isAndroid ? 200 : 0); }, _pos: function (x, y) { if (this.zoomed) return; x = this.hScroll ? x : 0; y = this.vScroll ? y : 0; if (this.options.useTransform) { this.scroller.style[transform] = 'translate(' x 'px,' y 'px) scale(' this.scale ')' translateZ; } else { x = m.round(x); y = m.round(y); this.scroller.style.left = x 'px'; this.scroller.style.top = y 'px'; } this.x = x; this.y = y; this._scrollbarPos('h'); this._scrollbarPos('v'); }, _scrollbarPos: function (dir, hidden) { var that = this, pos = dir == 'h' ? that.x : that.y, size; if (!that[dir 'Scrollbar']) return; pos = that[dir 'ScrollbarProp'] * pos; if (pos < 0) { if (!that.options.fixedScrollbar) { size = that[dir 'ScrollbarIndicatorSize'] m.round(pos * 3); if (size < 8) size = 8; that[dir 'ScrollbarIndicator'].style[dir == 'h' ? 'width' : 'height'] = size 'px'; } pos = 0; } else if (pos > that[dir 'ScrollbarMaxScroll']) { if (!that.options.fixedScrollbar) { size = that[dir 'ScrollbarIndicatorSize'] - m.round((pos - that[dir 'ScrollbarMaxScroll']) * 3); if (size < 8) size = 8; that[dir 'ScrollbarIndicator'].style[dir == 'h' ? 'width' : 'height'] = size 'px'; pos = that[dir 'ScrollbarMaxScroll'] (that[dir 'ScrollbarIndicatorSize'] - size); } else { pos = that[dir 'ScrollbarMaxScroll']; } } that[dir 'ScrollbarWrapper'].style[transitionDelay] = '0'; that[dir 'ScrollbarWrapper'].style.opacity = hidden && that.options.hideScrollbar ? '0' : '1'; that[dir 'ScrollbarIndicator'].style[transform] = 'translate(' (dir == 'h' ? pos 'px,0)' : '0,' pos 'px)') translateZ; }, _start: function (e) { var that = this, point = hasTouch ? e.touches[0] : e, matrix, x, y, c1, c2; if (!that.enabled) return; if (that.options.onBeforeScrollStart) that.options.onBeforeScrollStart.call(that, e); if (that.options.useTransition || that.options.zoom) that._transitionTime(0); that.moved = false; that.animating = false; that.zoomed = false; that.distX = 0; that.distY = 0; that.absDistX = 0; that.absDistY = 0; that.dirX = 0; that.dirY = 0; // Gesture start if (that.options.zoom && hasTouch && e.touches.length > 1) { c1 = m.abs(e.touches[0].pageX-e.touches[1].pageX); c2 = m.abs(e.touches[0].pageY-e.touches[1].pageY); that.touchesDistStart = m.sqrt(c1 * c1 c2 * c2); that.originX = m.abs(e.touches[0].pageX
  • e.touches[1].pageX - that.wrapperOffsetLeft * 2) / 2 - that.x; that.originY = m.abs(e.touches[0].pageY e.touches[1].pageY - that.wrapperOffsetTop * 2) / 2 - that.y; if (that.options.onZoomStart) that.options.onZoomStart.call(that, e); } if (that.options.momentum) { if (that.options.useTransform) { // Very lame general purpose alternative to CSSMatrix matrix = getComputedStyle(that.scroller, null)[transform].replace(/[^0-9-.,]/g, '').split(','); x = (matrix[澳门新萄京,12] || matrix[4]); y = (matrix[13] || matrix[5]); } else { x = getComputedStyle(that.scroller, null).left.replace(/[^0-9-]/g, ''); y = getComputedStyle(that.scroller, null).top.replace(/[^0-9-]/g, ''); } if (x != that.x || y != that.y) { if (that.options.useTransition) that._unbind(TRNEND_EV); else cancelFrame(that.aniTime); that.steps = []; that._pos(x, y); if (that.options.onScrollEnd) that.options.onScrollEnd.call(that); } } that.absStartX = that.x; // Needed by snap threshold that.absStartY = that.y; that.startX = that.x; that.startY = that.y; that.pointX = point.pageX; that.pointY = point.pageY; that.startTime = e.timeStamp || Date.now(); if (that.options.onScrollStart) that.options.onScrollStart.call(that, e); that._bind(MOVE_EV, window); that._bind(END_EV, window); that._bind(CANCEL_EV, window); }, _move: function (e) { var that = this, point = hasTouch ? e.touches[0] : e, deltaX = point.pageX - that.pointX, deltaY = point.pageY - that.pointY, newX = that.x deltaX, newY = that.y deltaY, c1, c2, scale, timestamp = e.timeStamp || Date.now(); if (that.options.onBeforeScrollMove) that.options.onBeforeScrollMove.call(that, e); // Zoom if (that.options.zoom && hasTouch && e.touches.length > 1) { c1 = m.abs(e.touches[0].pageX - e.touches[1].pageX); c2 = m.abs(e.touches[0].pageY - e.touches[1].pageY); that.touchesDist = m.sqrt(c1*c1 c2*c2); that.zoomed = true; scale = 1 / that.touchesDistStart * that.touchesDist * this.scale; if (scale < that.options.zoomMin) scale = 0.5 * that.options.zoomMin * Math.pow(2.0, scale / that.options.zoomMin); else if (scale > that.options.zoomMax) scale = 2.0 * that.options.zoomMax * Math.pow(0.5, that.options.zoomMax / scale); that.lastScale = scale / this.scale; newX = this.originX - this.originX * that.lastScale this.x, newY = this.originY - this.originY * that.lastScale this.y; this.scroller.style[transform] = 'translate(' newX 'px,' newY 'px) scale(' scale ')' translateZ; if (that.options.onZoom) that.options.onZoom.call(that, e); return; } that.pointX = point.pageX; that.pointY = point.pageY; // Slow down if outside of the boundaries if (newX > 0 || newX < that.maxScrollX) { newX = that.options.bounce ? that.x (deltaX / 2) : newX >= 0 || that.maxScrollX >= 0 ? 0 : that.maxScrollX; } if (newY > that.minScrollY || newY < that.maxScrollY) { newY = that.options.bounce ? that.y (deltaY / 2) : newY >= that.minScrollY || that.maxScrollY >= 0 ? that.minScrollY : that.maxScrollY; } that.distX = deltaX; that.distY = deltaY; that.absDistX = m.abs(that.distX); that.absDistY = m.abs(that.distY); if (that.absDistX < 6 && that.absDistY < 6) { return; } // Lock direction if (that.options.lockDirection) { if (that.absDistX > that.absDistY 5) { newY = that.y; deltaY = 0; } else if (that.absDistY > that.absDistX 5) { newX = that.x; deltaX = 0; } } that.moved = true; that._pos(newX, newY); that.dirX = deltaX > 0 ? -1 : deltaX < 0 ? 1 : 0; that.dirY = deltaY > 0 ? -1 : deltaY < 0 ? 1 : 0; if (timestamp - that.startTime > 300) { that.startTime = timestamp; that.startX = that.x; that.startY = that.y; } if (that.options.onScrollMove) that.options.onScrollMove.call(that, e); }, _end: function (e) { if (hasTouch && e.touches.length !== 0) return; var that = this, point = hasTouch ? e.changedTouches[0] : e, target, ev, momentumX = { dist:0, time:0 }, momentumY = { dist:0, time:0 }, duration = (e.timeStamp || Date.now()) - that.startTime, newPosX = that.x, newPosY = that.y, distX, distY, newDuration, snap, scale; that._unbind(MOVE_EV, window); that._unbind(END_EV, window); that._unbind(CANCEL_EV, window); if (that.options.onBeforeScrollEnd) that.options.onBeforeScrollEnd.call(that, e); if (that.zoomed) { scale = that.scale * that.lastScale; scale = Math.max(that.options.zoomMin, scale); scale = Math.min(that.options.zoomMax, scale); that.lastScale = scale / that.scale; that.scale = scale; that.x = that.originX - that.originX * that.lastScale that.x; that.y = that.originY - that.originY * that.lastScale that.y; that.scroller.style[transitionDuration] = '200ms'; that.scroller.style[transform] = 'translate(' that.x 'px,' that.y 'px) scale(' that.scale ')' translateZ; that.zoomed = false; that.refresh(); if (that.options.onZoomEnd) that.options.onZoomEnd.call(that, e); return; } if (!that.moved) { if (hasTouch) { if (that.doubleTapTimer && that.options.zoom) { // Double tapped clearTimeout(that.doubleTapTimer); that.doubleTapTimer = null; if (that.options.onZoomStart) that.options.onZoomStart.call(that, e); that.zoom(that.pointX, that.pointY, that.scale == 1 ? that.options.doubleTapZoom : 1); if (that.options.onZoomEnd) { setTimeout(function() { that.options.onZoomEnd.call(that, e); }, 200); // 200 is default zoom duration } } else if (this.options.handleClick) { that.doubleTapTimer = setTimeout(function () { that.doubleTapTimer = null; // Find the last touched element target = point.target; while (target.nodeType != 1) target = target.parentNode; if (target.tagName != 'SELECT' && target.tagName != 'INPUT' && target.tagName != 'TEXTAREA') { ev = doc.createEvent('MouseEvents'); ev.initMouseEvent('click', true, true, e.view, 1, point.screenX, point.screenY, point.clientX, point.clientY, e.ctrlKey, e.altKey, e.shiftKey, e.metaKey, 0, null); ev._fake = true; target.dispatchEvent(ev); } }, that.options.zoom ? 250 : 0); } } that._resetPos(400); if (that.options.onTouchEnd) that.options.onTouchEnd.call(that, e); return; } if (duration < 300 && that.options.momentum) { momentumX = newPosX ? that._momentum(newPosX - that.startX, duration, -that.x, that.scrollerW
  • that.wrapperW that.x, that.options.bounce ? that.wrapperW : 0) : momentumX; momentumY = newPosY ? that._momentum(newPosY - that.startY, duration, -that.y, (that.maxScrollY < 0 ? that.scrollerH - that.wrapperH that.y - that.minScrollY : 0), that.options.bounce ? that.wrapperH : 0) : momentumY; newPosX = that.x momentumX.dist; newPosY = that.y momentumY.dist; if ((that.x > 0 && newPosX > 0) || (that.x < that.maxScrollX && newPosX < that.maxScrollX)) momentumX = { dist:0, time:0 }; if ((that.y > that.minScrollY && newPosY > that.minScrollY) || (that.y < that.maxScrollY && newPosY < that.maxScrollY)) momentumY = { dist:0, time:0 }; } if (momentumX.dist || momentumY.dist) { newDuration = m.max(m.max(momentumX.time, momentumY.time), 10); // Do we need to snap? if (that.options.snap) { distX = newPosX - that.absStartX; distY = newPosY - that.absStartY; if (m.abs(distX) < that.options.snapThreshold && m.abs(distY) < that.options.snapThreshold) { that.scrollTo(that.absStartX, that.absStartY, 200); } else { snap = that._snap(newPosX, newPosY); newPosX = snap.x; newPosY = snap.y; newDuration = m.max(snap.time, newDuration); } } that.scrollTo(m.round(newPosX), m.round(newPosY), newDuration); if (that.options.onTouchEnd) that.options.onTouchEnd.call(that, e); return; } // Do we need to snap? if (that.options.snap) { distX = newPosX - that.absStartX; distY = newPosY - that.absStartY; if (m.abs(distX) < that.options.snapThreshold && m.abs(distY) < that.options.snapThreshold) that.scrollTo(that.absStartX, that.absStartY, 200); else { snap = that._snap(that.x, that.y); if (snap.x != that.x || snap.y != that.y) that.scrollTo(snap.x, snap.y, snap.time); } if (that.options.onTouchEnd) that.options.onTouchEnd.call(that, e); return; } that._resetPos(200); if (that.options.onTouchEnd) that.options.onTouchEnd.call(that, e); }, _resetPos: function (time) { var that = this, resetX = that.x >= 0 ? 0 : that.x < that.maxScrollX ? that.maxScrollX : that.x, resetY = that.y >= that.minScrollY || that.maxScrollY > 0 ? that.minScrollY : that.y < that.maxScrollY ? that.maxScrollY : that.y; if (resetX == that.x && resetY == that.y) { if (that.moved) { that.moved = false; if (that.options.onScrollEnd) that.options.onScrollEnd.call(that); // Execute custom code on scroll end } if (that.hScrollbar && that.options.hideScrollbar) { if (vendor == 'webkit') that.hScrollbarWrapper.style[transitionDelay] = '300ms'; that.hScrollbarWrapper.style.opacity = '0'; } if (that.vScrollbar && that.options.hideScrollbar) { if (vendor == 'webkit') that.vScrollbarWrapper.style[transitionDelay] = '300ms'; that.vScrollbarWrapper.style.opacity = '0'; } return; } that.scrollTo(resetX, resetY, time || 0); }, _wheel: function (e) { var that = this, wheelDeltaX, wheelDeltaY, deltaX, deltaY, deltaScale; if ('wheelDeltaX' in e) { wheelDeltaX = e.wheelDeltaX / 12; wheelDeltaY = e.wheelDeltaY / 12; } else if('wheelDelta' in e) { wheelDeltaX = wheelDeltaY = e.wheelDelta / 12; } else if ('detail' in e) { wheelDeltaX = wheelDeltaY = -e.detail * 3; } else { return; } if (that.options.wheelAction == 'zoom') { deltaScale = that.scale * Math.pow(2, 1/3 * (wheelDeltaY ? wheelDeltaY / Math.abs(wheelDeltaY) : 0)); if (deltaScale < that.options.zoomMin) deltaScale = that.options.zoomMin; if (deltaScale > that.options.zoomMax) deltaScale = that.options.zoomMax; if (deltaScale != that.scale) { if (!that.wheelZoomCount && that.options.onZoomStart) that.options.onZoomStart.call(that, e); that.wheelZoomCount ; that.zoom(e.pageX, e.pageY, deltaScale, 400); setTimeout(function() { that.wheelZoomCount--; if (!that.wheelZoomCount && that.options.onZoomEnd) that.options.onZoomEnd.call(that, e); }, 400); } return; } deltaX = that.x wheelDeltaX; deltaY = that.y wheelDeltaY; if (deltaX > 0) deltaX = 0; else if (deltaX < that.maxScrollX) deltaX = that.maxScrollX; if (deltaY > that.minScrollY) deltaY = that.minScrollY; else if (deltaY < that.maxScrollY) deltaY = that.maxScrollY; if (that.maxScrollY < 0) { that.scrollTo(deltaX, deltaY, 0); } }, _transitionEnd: function (e) { var that = this; if (e.target != that.scroller) return; that._unbind(TRNEND_EV); that._startAni(); }, /** * * Utilities * */ _startAni: function () { var that = this, startX = that.x, startY = that.y, startTime = Date.now(), step, easeOut, animate; if (that.animating) return; if (!that.steps.length) { that._resetPos(400); return; } step = that.steps.shift(); if (step.x == startX && step.y == startY) step.time = 0; that.animating = true; that.moved = true; if (that.options.useTransition) { that._transitionTime(step.time); that._pos(step.x, step.y); that.animating = false; if (step.time) that._bind(TRNEND_EV); else that._resetPos(0); return; } animate = function () { var now = Date.now(), newX, newY; if (now >= startTime
  • step.time) { that._pos(step.x, step.y); that.animating = false; if (that.options.onAnimationEnd) that.options.onAnimationEnd.call(that); // Execute custom code on animation end that._startAni(); return; } now = (now - startTime) / step.time - 1; easeOut = m.sqrt(1 - now * now); newX = (step.x - startX) * easeOut startX; newY = (step.y - startY) * easeOut startY; that._pos(newX, newY); if (that.animating) that.aniTime = nextFrame(animate); }; animate(); }, _transitionTime: function (time) { time = 'ms'; this.scroller.style[transitionDuration] = time; if (this.hScrollbar) this.hScrollbarIndicator.style[transitionDuration] = time; if (this.vScrollbar) this.vScrollbarIndicator.style[transitionDuration] = time; }, _momentum: function (dist, time, maxDistUpper, maxDistLower, size) { var deceleration = 0.0006, speed = m.abs(dist) / time, newDist = (speed * speed) / (2 * deceleration), newTime = 0, outsideDist = 0; // Proportinally reduce speed if we are outside of the boundaries if (dist > 0 && newDist > maxDistUpper) { outsideDist = size / (6 / (newDist / speed * deceleration)); maxDistUpper = maxDistUpper outsideDist; speed = speed * maxDistUpper / newDist; newDist = maxDistUpper; } else if (dist < 0 && newDist > maxDistLower) { outsideDist = size / (6 / (newDist / speed * deceleration)); maxDistLower = maxDistLower outsideDist; speed = speed * maxDistLower / newDist; newDist = maxDistLower; } newDist = newDist * (dist < 0 ? -1 : 1); newTime = speed / deceleration; return { dist: newDist, time: m.round(newTime) }; }, _offset: function (el) { var left = -el.offsetLeft, top = -el.offsetTop; while (el = el.offsetParent) { left -= el.offsetLeft; top -= el.offsetTop; } if (el != this.wrapper) { left *= this.scale; top *= this.scale; } return { left: left, top: top }; }, _snap: function (x, y) { var that = this, i, l, page, time, sizeX, sizeY; // Check page X page = that.pagesX.length - 1; for (i=0, l=that.pagesX.length; i<l; i ) { if (x >= that.pagesX[i]) { page = i; break; } } if (page == that.currPageX && page > 0 && that.dirX < 0) page--; x = that.pagesX[page]; sizeX = m.abs(x - that.pagesX[that.currPageX]); sizeX = sizeX ? m.abs(that.x - x) / sizeX * 500 : 0; that.currPageX = page; // Check page Y page = that.pagesY.length-1; for (i=0; i<page; i ) { if (y >= that.pagesY[i]) { page = i; break; } } if (page == that.currPageY && page > 0 && that.dirY < 0) page--; y = that.pagesY[page]; sizeY = m.abs(y - that.pagesY[that.currPageY]); sizeY = sizeY ? m.abs(that.y
  • y) / sizeY * 500 : 0; that.currPageY = page; // Snap with constant speed (proportional duration) time = m.round(m.max(sizeX, sizeY)) || 200; return { x: x, y: y, time: time }; }, _bind: function (type, el, bubble) { (el || this.scroller).addEventListener(type, this, !!bubble); }, _unbind: function (type, el, bubble) { (el || this.scroller).removeEventListener(type, this, !!bubble); }, /** * * Public methods * */ destroy: function () { var that = this; that.scroller.style[transform] = ''; // Remove the scrollbars that.hScrollbar = false; that.vScrollbar = false; that._scrollbar('h'); that._scrollbar('v'); // Remove the event listeners that._unbind(RESIZE_EV, window); that._unbind(START_EV); that._unbind(MOVE_EV, window); that._unbind(END_EV, window); that._unbind(CANCEL_EV, window); if (!that.options.hasTouch) { that._unbind('DOMMouseScroll'); that._unbind('mousewheel'); } if (that.options.useTransition) that._unbind(TRNEND_EV); if (that.options.checkDOMChanges) clearInterval(that.checkDOMTime); if (that.options.onDestroy) that.options.onDestroy.call(that); }, refresh: function () { var that = this, offset, i, l, els, pos = 0, page = 0; if (that.scale < that.options.zoomMin) that.scale = that.options.zoomMin; that.wrapperW = that.wrapper.clientWidth || 1; that.wrapperH = that.wrapper.clientHeight || 1; that.minScrollY = -that.options.topOffset || 0; that.scrollerW = m.round(that.scroller.offsetWidth * that.scale); that.scrollerH = m.round((that.scroller.offsetHeight that.minScrollY) * that.scale); that.maxScrollX = that.wrapperW - that.scrollerW; that.maxScrollY = that.wrapperH - that.scrollerH that.minScrollY; that.dirX = 0; that.dirY = 0; if (that.options.onRefresh) that.options.onRefresh.call(that); that.hScroll = that.options.hScroll && that.maxScrollX < 0; that.vScroll = that.options.vScroll && (!that.options.bounceLock && !that.hScroll || that.scrollerH > that.wrapperH); that.hScrollbar = that.hScroll && that.options.hScrollbar; that.vScrollbar = that.vScroll && that.options.vScrollbar && that.scrollerH > that.wrapperH; offset = that._offset(that.wrapper); that.wrapperOffsetLeft = -offset.left; that.wrapperOffsetTop = -offset.top; // Prepare snap if (typeof that.options.snap == 'string') { that.pagesX = []; that.pagesY = []; els = that.scroller.querySelectorAll(that.options.snap); for (i=0, l=els.length; i<l; i ) { pos = that._offset(els[i]); pos.left = that.wrapperOffsetLeft; pos.top = that.wrapperOffsetTop; that.pagesX[i] = pos.left < that.maxScrollX ? that.maxScrollX : pos.left * that.scale; that.pagesY[i] = pos.top < that.maxScrollY ? that.maxScrollY : pos.top * that.scale; } } else if (that.options.snap) { that.pagesX = []; while (pos >= that.maxScrollX) { that.pagesX[page] = pos; pos = pos - that.wrapperW; page ; } if (that.maxScrollX%that.wrapperW) that.pagesX[that.pagesX.length] = that.maxScrollX - that.pagesX[that.pagesX.length-1] that.pagesX[that.pagesX.length-1]; pos = 0; page = 0; that.pagesY = []; while (pos >= that.maxScrollY) { that.pagesY[page] = pos; pos = pos - that.wrapperH; page ; } if (that.maxScrollY%that.wrapperH) that.pagesY[that.pagesY.length] = that.maxScrollY - that.pagesY[that.pagesY.length-1] that.pagesY[that.pagesY.length-1]; } // Prepare the scrollbars that._scrollbar('h'); that._scrollbar('v'); if (!that.zoomed) { that.scroller.style[transitionDuration] = '0'; that._resetPos(400); } }, scrollTo: function (x, y, time, relative) { var that = this, step = x, i, l; that.stop(); if (!step.length) step = [{ x: x, y: y, time: time, relative: relative }]; for (i=0, l=step.length; i<l; i ) { if (step[i].relative) { step[i].x = that.x - step[i].x; step[i].y = that.y - step[i].y; } that.steps.push({ x: step[i].x, y: step[i].y, time: step[i].time || 0 }); } that._startAni(); }, scrollToElement: function (el, time) { var that = this, pos; el = el.nodeType ? el : that.scroller.querySelector(el); if (!el) return; pos = that._offset(el); pos.left = that.wrapperOffsetLeft; pos.top = that.wrapperOffsetTop; pos.left = pos.left > 0 ? 0 : pos.left < that.maxScrollX ? that.maxScrollX : pos.left; pos.top = pos.top > that.minScrollY ? that.minScrollY : pos.top < that.maxScrollY ? that.maxScrollY : pos.top; time = time === undefined ? m.max(m.abs(pos.left)*2, m.abs(pos.top)*2) : time; that.scrollTo(pos.left, pos.top, time); }, scrollToPage: function (pageX, pageY, time) { var that = this, x, y; time = time === undefined ? 400 : time; if (that.options.onScrollStart) that.options.onScrollStart.call(that); if (that.options.snap) { pageX = pageX == 'next' ? that.currPageX 1 : pageX == 'prev' ? that.currPageX-1 : pageX; pageY = pageY == 'next' ? that.currPageY 1 : pageY == 'prev' ? that.currPageY-1 : pageY; pageX = pageX < 0 ? 0 : pageX > that.pagesX.length-1 ? that.pagesX.length-1 : pageX; pageY = pageY < 0 ? 0 : pageY > that.pagesY.length-1 ? that.pagesY.length-1 : pageY; that.currPageX = pageX; that.currPageY = pageY; x = that.pagesX[pageX]; y = that.pagesY[pageY]; } else { x = -that.wrapperW * pageX; y = -that.wrapperH * pageY; if (x < that.maxScrollX) x = that.maxScrollX; if (y < that.maxScrollY) y = that.maxScrollY; } that.scrollTo(x, y, time); }, disable: function () { this.stop(); this._resetPos(0); this.enabled = false; // If disabled after touchstart we make sure that there are no left over events this._unbind(MOVE_EV, window); this._unbind(END_EV, window); this._unbind(CANCEL_EV, window); }, enable: function () { this.enabled = true; }, stop: function () { if (this.options.useTransition) this._unbind(TRNEND_EV); else cancelFrame(this.aniTime); this.steps = []; this.moved = false; this.animating = false; }, zoom: function (x, y, scale, time) { var that = this, relScale = scale / that.scale; if (!that.options.useTransform) return; that.zoomed = true; time = time === undefined ? 200 : time; x = x - that.wrapperOffsetLeft - that.x; y = y - that.wrapperOffsetTop - that.y; that.x = x - x * relScale that.x; that.y = y - y * relScale that.y; that.scale = scale; that.refresh(); that.x = that.x > 0 ? 0 : that.x < that.maxScrollX ? that.maxScrollX : that.x; that.y = that.y > that.minScrollY ? that.minScrollY : that.y < that.maxScrollY ? that.maxScrollY : that.y; that.scroller.style[transitionDuration] = time 'ms'; that.scroller.style[transform] = 'translate(' that.x 'px,' that.y 'px) scale(' scale ')' translateZ; that.zoomed = false; }, isReady: function () { return !this.moved && !this.zoomed && !this.animating; } }; function prefixStyle (style) { if ( vendor === '' ) return style; style = style.charAt(0).toUpperCase() style.substr(1); return vendor style; } dummyStyle = null; // for the sake of it if (typeof exports !== 'undefined') exports.iScroll = iScroll; else window.iScroll = iScroll; })(window, document); View Code

html

澳门新萄京 105<!DOCTYPE HTML> <html> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, height=device-height, user-scalable=no, initial-scale=1, minimum-scale=1, maximum-scale=1" /> <meta name="apple-mobile-web-app-capable" content="yes" /> <meta name="apple-mobile-web-app-status-bar-style" content="black" /> <meta name="format-detection"content="telephone=no, email=no" /> <meta name="misapplication-tap-highlight" content="no"/> <meta name="HandheldFriendly" content="true"/> <meta name="screen-orientation" content="portrait"> <meta name="x5-orientation" content="portrait"> <meta name="msapplication-tap-highlight" content="no" /> <title></title> <link rel="stylesheet" type="text/css" href="css/tc.css"> <link rel="stylesheet" type="text/css" href="css/scrollbar.css"> <style> </style> </head> <body> <!--分配获得金奖号码--> <div class="tcbox" > <div class="tcmain"> <div class="tc_close"></div> <div class="tc-content01"> <div class="top-wrap"> <p>您成功参加了<strong>第<span>二零一六1225001</span>期</strong>夺宝,到场<span class="col-org">10</span>人次。</p> <p>您成功参预了<strong>第<span>二零一四1225002</span>期</strong>夺宝,参加<span class="col-org">10</span>人次。</p> </div> <p class="wish">您获得了<span class="col-org">20</span>个幸运号码,祝你夺宝成功!</p> <div id="tc-wrapper1"> <dl class="num-list"> <dt>第二〇一五1225001期</dt> <dd><span>10002351</span>,<span>10001384</span>,<span>10006354</span>,<span>10002634</span>,<span>10001524</span>,<span>10002351</span>,<span>10001384</span>,<span>10001524</span>,<span>10002351</span>,<span>10001384</span></dd> <dt>第20141225002期</dt> <dd><span>10002351</span>,<span>10001384</span>,<span>10006354</span>,<span>10002634</span>,<span>10001524</span>,<span>10002351</span>,<span>10001384</span>,<span>10001524</span>,<span>10002351</span>,<span>10001384</span></dd> </dl> </div> <div class="bottom-wrap"> <a href="javascript:;" class="tc-button" style="display:none">填写领奖地点</a> <a href="javascript:;" class="tc-button">确 定</a> </div> </div> </div> </div> <!--笔者的夺宝号码--> <div class="tcbox" style="display:none;"> <div class="tcmain"> <div class="tc_close"></div> <div class="tc-content02"> <p class="mynum">作者的夺宝号码</p> <div id="tc-wrapper2"> <dl class="num-list"> <dd><span>10002351</span>,<span>10001384</span>,<span>10006354</span>,<span>10002634</span>,<span>10001524</span>,<span>10002351</span>,<span>10001384</span>,<span>10001524</span>,<span>10002351</span>,<span>10001384</span>,<span>10001384</span>,<span>10006354</span>,<span>10002634</span>,<span>10001524</span>,<span>10002351</span>,<span>10001384</span>,<span>10001524</span>,<span>10002351</span>,<span>10001384</span>,<span>10001384</span>,<span>10006354</span>,<span>10002634</span>,<span>10001524</span>,<span>10002351</span>,<span>10001384</span>,<span>10001524</span>,<span>10002351</span>,<span>10001384</span>,<span>10001384</span>,<span>10001384</span>,<span>10006354</span>,<span>10002634</span>,<span>10001524</span>,<span>10002351</span>,<span>10001384</span>,<span>10001524</span>,<span>10002351</span>,<span>10001384</span>,<span>10001384</span>,<span>10001384</span>,<span>10006354</span>,<span>10002634</span>,<span>10001524</span>,<span>10002351</span>,<span>10001384</span>,<span>10001524</span>,<span>10002351</span>,<span>10001384</span></dd> </dl> </div> <div class="bottom-wrap"> <a href="javascript:;" class="tc-button">确 定</a> </div> </div> </div> </div> <!--小编想加入人次--> <div class="tcbox" style="display:none;"> <div class="tcmain"> <div class="tc_close"></div> <div class="tc-content03"> <p class="buytext">作者想参与人次</p> <div class="w-number-wrap"> <div class="w-number"> <input class="w-number-input" value="10"> <a class="w-number-btn w-number-btn-plus " data-pro="plus" href="javascript:void(0卡塔尔国;"> </a> <a class="w-number-btn w-number-btn-minus w-number-btn-disabled" data-pro="minus" href="javascript:void(0卡塔尔国;">-</a> </div> <span class="m-detail-main-buyHint"> <i class="ico-arrow"></i> <b>获获奖项可能率<span>0.026%</span></b> <b style="display:none;">加大参与人次,夺宝在望!</b> </span> </div> <div class="bottom-wrap"> <a href="javascript:;" class="tc-button">确 定</a> </div> </div> </div> </div> <script type="text/javascript" src="js/iScroll.js"></script> <script type="text/javascript"> var myScroll1,myScroll2; function loaded(卡塔尔国 { myScroll1 = new iScroll('tc-wrapper1', { scrollbarClass: 'myScrollbar' , hScrollbar:false, vScroll:true, hideScrollbar: false //是不是隐伏滚动条 }卡塔尔国; myScroll2 = new iScroll('tc-wrapper2', { scrollbarClass: 'myScrollbar' , hScrollbar:false, vScroll:true, hideScrollbar: false //是还是不是隐伏滚动条 }卡塔尔(英语:State of Qatar); } document.addEventListener('touchmove', function (e卡塔尔国 { e.preventDefault(卡塔尔国; }, false卡塔尔; document.add伊夫ntListener('DOMContentLoaded', loaded, false卡塔尔; /*来得弹薄薄调用show方法时再度调用new iScroll(卡塔尔国*/ </script> </body> </html> View Code

3.viewport

2、css

tc.css

澳门新萄京 106@charset "utf-8"; body,div,h1,h2,h3,h4,h5,h6,hr,p,blockquote,dl,dt,dd,ul,ol,li,pre,code,form,fieldset,legend,button,textarea,table,tbody,tfoot,thead,th,td,article,aside,dialog,figure,footer,header,hgroup,menu,nav,section,time,mark,audio,video{margin:0;padding:0;outline:0;background:transparent;}article,aside,dialog,figure,footer,header,hgroup,nav,section{display:block;}body,button,input,select,textarea{font:12px/1.5 arial,5b8b4f53,sans-serif;}h1,h2,h3,h4,h5,h6,button,input,select,textarea{font-size:100%;outline:none;font-family:inherit}address,cite,dfn,em,var{font-style:normal;}code,kbd,pre,samp{font-family:courier new,courier,monospace;}small{font-size:12px;}ul,ol,li{list-style:none;}img{border:none;}a{text-decoration:none;outline:thin none;}a:hover{text-decoration:underline;}table{border-collapse:collapse;border-spacing:0;}.clear{clear:both;}.clearfix:after{visibility:hidden;display:block;font-size:0;content:" ";clear:both;height:0;}html{-webkit-text-size-adjust: none;} body{font:12px/1.5 5FAE8F6F96C59ED1,tahoma,arial,5b8b4f53,sans-serif;} /*弹框*/ .tcbox{width:100%; height:100%; position:fixed; top:0; left:0; background:rgba(0,0,0,0.5); z-index:999; display:-webkit-box; -webkit-box-orient:horizontal; -webkit-box-pack:center; -webkit-box-align:center; display:-moz-box; -moz-box-orient:horizontal; -moz-box-pack:center; -moz-box-align:center; display:-o-box; -o-box-orient:horizontal; -o-box-pack:center; -o-box-align:center; display:-ms-box; -ms-box-orient:horizontal; -ms-box-pack:center; -ms-box-align:center; display:box; box-orient:horizontal; box-pack:center; box-align:center;} .col-org{color:#ff6200;} .tcmain{width:78%; max-width:580px; margin:0 auto; background:#fff;border-radius:5px; position:relative; box-sizing:border-box;text-align:center;} .tc_close{width:19px;height:19px;background: url(../images/tc_close.png) no-repeat;background-size:200%;overflow:hidden;position:absolute;right:8px;top:8px;cursor:pointer;} .tc_close:hover{background-position:100% 0;} .tcmain h1{font-size:1.4rem;} .tcmain a{display:block;} /*滚动条*/ #tc-wrapper1{ height: 146px; position: relative;width:84%;margin:0 auto; } #tc-wrapper2{ height: 146px; position: relative;width:84%;margin:0 auto; } /*公用按键样式*/ .tcmain .bottom-wrap{margin-top:10px;background-color:#f2f2f2;border-radius:0 0 5px 5px;padding:10px 0;} .tcmain .tc-button{display:inline-block;margin:0 auto;min-width:100px;font-size:17px;padding:8px 15px;background-color:#da2b20;color:#fff;border-radius:5px;} .tcmain .tc-button:hover{text-decoration:none;} /*分配夺宝号码*/ .tc-content01 .top-wrap{font-size:0.75rem;color:#4d4d4d;text-align:left;padding:32px 8% 0;border-bottom:1px dotted #999;} .tc-content01 .top-wrap p{padding-bottom:0.5rem;} .tc-content01 .p-title{font-size:14px;padding-left:42px;} .tc-content01 .p-title.strong{padding-top:13px;} .tc-content01 .p-title span{color:#ff6200;} .tc-content01 .wish{font-size:0.75rem;color:#4d4d4d;padding:0.8rem 8% 1rem;text-align:left;} .tc-content01 .num-list{text-align:left;} .tc-content01 .num-list dt{font-size:0.625rem;color:#1a1a1a;padding-bottom:4px;} .tc-content01 .num-list dd{font-size:0.625rem;color:#808080;padding-bottom:20px;word-wrap:break-word;} .tc-content01 .num-list dd span{display:inline-block;white-space:nowrap;} /*后生可畏体编号*/ .tc-content02 .mynum{padding:25px 0 12px;font-size:0.75rem;color:#404040;} .tc-content02 .num-list{text-align:left;} .tc-content02 .num-list dd{font-size:0.625rem;line-height:1.5rem;color:#333;padding-bottom:20px;word-wrap:break-word;} .tc-content02 .num-list dd span{display:inline-block;white-space:nowrap;} /*插足人次*/ .tc-content03 .buytext{padding:30px 0 12px;font-size:0.8125rem;color:#404040;} .tc-content03 .w-number-wrap{position:relative;padding-bottom:25px;} .tc-content03 .w-number { position: relative; margin:0 auto; height:45px; width:88px; vertical-align: middle; padding:0 35px; } .tc-content03 .w-number-input { float: left; font-size:20px; text-align: center; width: 78px; border: 1px solid #dadada; background-color:#fafafa; height: 44px; line-height:44px; padding: 0 4px; outline: medium none; } .tc-content03 .w-number-btn { color:#666; border: 1px solid #E0E0E0; position: absolute; font-size:20px; text-align: center; text-decoration: none; width: 34px; height: 44px; line-height: 44px; overflow: hidden; font-weight:700; } .tc-content03 .w-number-btn:hover{color:#da2b20;text-decoration:none;} .tc-content03 .w-number-btn-plus { right: 0px; top: 0px; } .tc-content03 .w-number-btn-minus { right: auto; left: 0px; top: 0px; } /*中奖概率*/ .tc-content03 .m-detail-main-buyHint { position: absolute; left:100px; top:50px; font-size:0.625rem; padding: 0px 8px 0px 8px; display: inline-block; background-color: #ffe3e3; border: 1px solid #e0e0e0; color: #fe7386; line-height:1rem; border-radius: 4px; } .tc-content03 .m-detail-main-buyHint b { font-weight: normal; } .tc-content03 .m-detail-main-buyHint .ico-arrow { position: absolute; left: 40px; top:-4px; width:6px; height:4px; background: url(../images/tip-top.png) no-repeat center; background-size:100%; overflow: hidden; } View Code

scrollbar.css

澳门新萄京 107@charset "utf-8"; /* CSS Document */ /** * * Horizontal Scrollbar * */ .myScrollbarH { position:absolute; z-index:100; height:8px; bottom:1px; left:2px; right:7px } .myScrollbarH > div { position:absolute; z-index:100; height:100%; /* The following is probably what you want to customize */ background-image:-webkit-gradient(linear, 0 0, 100% 0, from(#a00), to(#f00)); background-image:-moz-linear-gradient(top, #f00, #900); background-image:-o-linear-gradient(top, #f00, #900); border:1px solid #900; -webkit-background-clip:padding-box; -moz-background-clip:padding-box; -o-background-clip:padding-box; background-clip:padding-box; -webkit-box-sizing:border-box; -moz-box-sizing:border-box; -o-box-sizing:border-box; box-sizing:border-box; -webkit-border-radius:4px; -moz-border-radius:4px; -o-border-radius:4px; border-radius:4px; -webkit-box-shadow:inset 1px 1px 0 rgba(255,255,255,0.5); -moz-box-shadow:inset 1px 1px 0 rgba(255,255,255,0.5); -o-box-shadow:inset 1px 1px 0 rgba(255,255,255,0.5); box-shadow:inset 1px 1px 0 rgba(255,255,255,0.5); } /** * * Vertical Scrollbar * */ .myScrollbarV { position:absolute; z-index:100; width:4px;bottom:7px;top:2px;right:1px; background-color:#d6d6d6; border-radius:4px; } .myScrollbarV > div { position:absolute; z-index:100; width:100%; /* The following is probably what you want to customize */ background:-webkit-gradient(linear, 0 0, 100% 0, from(#f00), to(#ff6200)); background-image:-moz-linear-gradient(top, #f00, #ff6200); background-image:-o-linear-gradient(top, #f00, #ff6200); border:1px solid #ff6200; -webkit-background-clip:padding-box; -moz-background-clip:padding-box; -o-background-clip:padding-box; background-clip:padding-box; -webkit-box-sizing:border-box; -moz-box-sizing:border-box; -o-box-sizing:border-box; box-sizing:border-box; -webkit-border-radius:4px; -moz-border-radius:4px; -o-border-radius:4px; border-radius:4px; -webkit-box-shadow:inset 1px 1px 0 rgba(255,255,255,0.5); -moz-box-shadow:inset 1px 1px 0 rgba(255,255,255,0.5); -o-box-shadow:inset 1px 1px 0 rgba(255,255,255,0.5); box-shadow:inset 1px 1px 0 rgba(255,255,255,0.5); } View Code

手提式有线电话机浏览器认为大家做了两件事情:

3、效果

澳门新萄京 108 澳门新萄京 109

 

叩问越来越多:

【IScroll深切学习】消除IScroll一病不起

 

 

正文小编starof,因知识本身在退换,小编也在反复学习成才,随笔内容也不安时更新,为制止误导读者,方便追根穷源,请各位转发表明出处:

官网: demo: 滚动刷新:...

页面渲染在贰个980px(ios卡塔尔(قطر‎的viewport

缩放

叁个300px的显示器,放叁个1000px的页面,会混杂,所以要先设想多少个980px的页面,然后开展缩放。

4.meta标签

最佳viewport设置:布局viewport=device-width,initial-scale=1,user-scalable=no">

5.flexbox弹性布局

position:absolute;

top:50%;

left:50%;

transform:translate(-50%,-50%);

6.响应式布局

传播媒介询问:@media screen and(max-width:100px卡塔尔(قطر‎{}

比例搭架子

唯有使用媒体询问来适应分化定位宽度设计

7.相对单位rem

em:是根据父节点的font-size为相对单位

rem:是依据html的font-size为相对单位

8.终端交互作用优化

对click事件say no

弹性滚动

上拉刷新

tap事件根基

touch触摸事件

下拉加载

9.touch底蕴事件

touchstart:手指触摸荧屏触发

touchmove:手指在荧屏上海滑稽剧团动,延续触发

touchend:手指离开显示屏时接触

10.要好封装rem.js

window.onload=function(){

//设计员给的设计稿宽度

getRem(720,100)

};

window.onresize=function(){

getRem(720,100)

};

functiongetRem(pwidth,prem){

let html=document.getElementsByTagName("html")[0];

let oWidth=document.body.clientWidth||document.documentElement.clientWidth;

html.style.fontSize=oWidth/pwidth*prem "px";

}

两栏布局,右边固定,侧边自适应

*{

margin:0;

padding:0;

}

首先种方法

.left{

width:120px;

background:#4f8fd6;

float:left;

}

.right{

margin-left:120px;

background:#8d8d8d;

}

其次种艺术

.wrapper-flex{

display:flex;

align-items:flex-start;

}

.wrapper-flex.left{

flex:0 0auto;

background:yellowgreen;

}

.wrapper-flex.right{

flex:1 1auto;

background:red;

}

先是种情势

<div class="wrapper">

    <div class="left">

    </div>

<div class="right"></div>

</div>

其次种办法

<div class="wrapper-flex">

<div class="wrapper-flex left"></div>

<div class="wrapper-flex right"></div>

</div>

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