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  • 无缝轮播的案例 及css3无缝轮播案例

      无缝轮播的案例:

      <!DOCTYPE html>
      <html>
      <head>
        <meta charset="UTF-8">
        <title>无缝轮播</title>
        <style>
          *{
            margin:0;
            padding:0;
          }
          div{
            1000px;
            height:200px;
            position:relative;
            top:20px;
            left:100px;
            border:red 5px solid;
            overflow: hidden;
          }
          ul{
            2000px;
            height:200px;
            list-style: none;
            position:absolute;
            top:0;
            left:-1020px;
          }
          ul>li{
            200px;
            height:200px;
            float:left;
          }
        </style>
      </head>
      <body>
        <div>
          <ul id="ul">
            <li style="background:pink"></li>
            <li style="background:blue"></li>
            <li style="background:orange"></li>
            <li style="background:black"></li>
            <li style="background:green"></li>
            <li style="background:pink"></li>
            <li style="background:blue"></li>
            <li style="background:orange"></li>
            <li style="background:black"></li>
            <li style="background:green"></li>
          </ul>
        </div>
      </body>
      </html>
      <script>
        var ul=document.getElementById("ul")
        var t=null;
        var num=1;
        t=setInterval(function(){
          if (ul.offsetLeft<-ul.offsetWidth/2)
            {
            ul.style.left=0+"px";
            }
          ul.style.left=(ul.offsetLeft-num)+"px";
        },100/6)
      </script>

      无缝轮播的解析:
        1.无论什么时候,ul.offsetleft++ 无论什么时候,他的ul都要走
        2.初始值,设立,直接设到第二板块那里
        3.可以理解成,每次只走第二板块,因为每次需要第二板块 去覆盖掉,第一次模块走的东西
        4.造成的视觉错觉

      css3无缝轮播案例 

    <!doctype html>
    <html>
    <head>
    <meta charset="UTF-8">
    <meta name="viewport"
    content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="rem插件.js"></script>
    <style>
    *{
    margin:0;
    padding:0;
    }
    html{
    font-size:100px;
    overflow-x:hidden;
    }
    body{
    font-size:14px;
    }
    div,ul,li,img{
    margin:0;
    padding:0;
    }
    .box{
    100%;
    height:1.17rem;
    }
    .clearfix:after{
    content:"";
    display:block;
    height:0;
    visibility:hidden;
    clear:both;
    }
    .content{
    500%;
    height:1.17rem;
    }
    .content div{
    20%;
    height:1.17rem;
    float:left;
    }

    </style>
    </head>
    <body>
    <div class="box">
    <div class="content">
    <div style="background:#cccccc"></div> <!-- 第三张-->
    <div style="background:#ffb72b"></div> <!-- 第一张-->
    <div style="background:lightblue"></div> <!-- 第二张-->
    <div style="background:#cccccc"></div> <!-- 第三张-->
    <div style="background:#ffb72b"></div> <!-- 第一张-->
    </div>
    </div>
    </body>
    </html>
    <script>
    var t=null,index=1;
    var box=document.querySelector(".box");
    var wid=box.offsetWidth;
    var content=document.querySelector(".content");
    content.style.transform="translateX(-"+(wid)+"px)";
    t=setInterval(function(){
    index++;
    addtransition()
    content.style.transform="translateX(-"+(wid*index)+"px)";
    },2000)
    //过度函数
    function addtransition(){
    content.style.transition="all .5s linear";
    content.style.webkitTransition="all .5s linear";
    }
    function removetransition(){
    content.style.transition="none";
    content.style.webkitTransition="none";
    }
    content.addEventListener("transitionend",function(){
    if(index>3){
    index=1;
    removetransition()
    content.style.transform="translateX(-"+(wid*index)+"px)";
    }
    })
    </script>
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  • 原文地址:https://www.cnblogs.com/shangjun6/p/10615133.html
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