• JS 动画基础


    一、水平,垂直滑动

     1 <!DOCTYPE html>
     2 <html xmlns="http://www.w3.org/1999/xhtml">
     3 <head>
     4     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     5     <title></title>
     6     <style>
     7         * {
     8             padding: 0px;
     9             margin: 0px;
    10         }
    11 
    12         #div1 {
    13             position: absolute;
    14              100px;
    15             height: 100px;
    16             background-color: red;
    17         }
    18 
    19         #div2 {
    20             position: absolute;
    21             left: 300px;
    22              1px;
    23             height: 100px;
    24             background-color: black;
    25         }
    26 
    27         #sp1 {
    28             position: absolute;
    29             top: 150px;
    30         }
    31     </style>
    32 </head>
    33 <body>
    34     <div id="div1"></div>
    35     <div id="div2"></div>
    36     <span id="sp1"></span>
    37 
    38 
    39 </body>
    40 </html>
    41 <script type="text/javascript">
    42     var oDiv1 = document.getElementById("div1");
    43 
    44     oDiv1.onclick = function () {
    45         var timer = window.setInterval(function () {
    46             oDiv1.style.left = (oDiv1.offsetLeft + 7) + 'px';//水平滑动
    47             oDiv1.style.top = (oDiv1.offsetTop + 1) + 'px';//垂直滑动
    48             
    49 
    50             document.getElementById("sp1").innerHTML = oDiv1.offsetLeft;//显示到页面左端的像素
    51 
    52         }, 20);
    53 
    54     };
    55 
    56 
    57 </script>

    二、超出效果

    1.(用Js)

      1 <!DOCTYPE html>
      2 <html xmlns="http://www.w3.org/1999/xhtml">
      3 <head>
      4     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
      5     <title></title>
      6     <style type="text/css">
      7         * {
      8             margin: 0px;
      9             padding: 0px;
     10         }
     11 
     12         .a1 {
     13              150px;
     14             height: 50px;
     15             position: relative;
     16             float: left;
     17             margin-left: 20px;
     18             background-color: blue;
     19             top: 30px;
     20             line-height: 50px;
     21             overflow: hidden;
     22         }
     23 
     24         .a2 {
     25              150px;
     26             height:auto;
     27             background-color: red;
     28             position: absolute;
     29         }
     30 
     31         .bb {
     32              150px;
     33             height: 49px;
     34             border-bottom: 1px solid black;
     35         }
     36     </style>
     37 </head>
     38 <body>
     39     <div class="a1">
     40         a1
     41         <div class="a2">
     42             <div class="bb">bb1</div>
     43             <div class="bb">bb2</div>
     44             <div class="bb">bb3</div>
     45             <div class="bb">bb4</div>
     46         </div>
     47     </div>
     48     <div class="a1">
     49         a1
     50         <div class="a2">
     51             <div class="bb">bb1</div>
     52             <div class="bb">bb2</div>
     53             <div class="bb">bb3</div>
     54             <div class="bb">bb4</div>
     55             <div class="bb">bb5</div>
     56             <div class="bb">bb6</div>
     57         </div>
     58     </div>
     59     <div class="a1">
     60         a1
     61         <div class="a2">
     62             <div class="bb">bb1</div>
     63             <div class="bb">bb2</div>
     64             <div class="bb">bb3</div>
     65             <div class="bb">bb4</div>
     66             <div class="bb">bb5</div>
     67         </div>
     68     </div>
     69 </body>
     70 </html>
     71 <script type="text/javascript">
     72     var ts = new Array();
     73     var A1 = document.getElementsByClassName("a1");
     74 
     75     for (var i = 0; i < A1.length; i++) {
     76         A1[i].index = i;
     77         //鼠标移入事件
     78         A1[i].onmouseover = function () {
     79             var aaa = this;//记录当前触发对象
     80             window.clearInterval(ts[aaa.index]);
     81 
     82             var gao = aaa.childNodes[1].offsetHeight + 50;
     83             //定时器开启
     84             ts[aaa.index] = window.setInterval(function () {
     85                 //定时器中改变高度
     86                 aaa.style.height = (aaa.offsetHeight + 15) + "px";
     87                 //停止判断
     88                 if (aaa.offsetHeight >= gao) {
     89                     aaa.style.height = gao + "px";
     90                     window.clearInterval(aaa.index);
     91                 }
     92             }, 20)
     93         }
     94 
     95         A1[i].onmouseout = function () {
     96             var aaa = this;//记录当前触发对象
     97             window.clearInterval(ts[aaa.index]);
     98 
     99             //定时器开启
    100             ts[aaa.index] = window.setInterval(function () {
    101                 //定时器中改变高度
    102                 aaa.style.height = (aaa.offsetHeight - 15) + "px";
    103                 //停止判断
    104                 if (aaa.offsetHeight <= 50) {
    105                     aaa.style.height = "50px";
    106                     window.clearInterval(ts[aaa.index]);
    107                 }
    108             }, 20);
    109         };
    110     }
    111 
    112 </script>
    用JS

    2.(不用JS)

     1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
     2 <html xmlns="http://www.w3.org/1999/xhtml">
     3 <head>
     4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     5 <title>超出作业</title>
     6 <style>
     7 *{
     8     margin:0px;
     9     padding:0px;}*
    10 .aa{ background-color:red; 80px; height:40px; position:relative; left:300px; top:100px; font-size:24px; font-weight:bold; line-height:24px; overflow:hidden; transition:0.7s;}
    11 .aa:hover{ overflow:visible; cursor:pointer; background-color:#600; }
    12 .a1{ background-color:blue; 80px; height:40px; position:relative;top:16px;left:0px; font-size:24px; font-weight:bold; line-height:24px; overflow:hidden; transition:0.7s;}
    13 .a1:hover{ overflow:visible; cursor:pointer; background-color:#0FF; }
    14 .bb{ 80px; height:40px; position:relative; bottom:24px;left:80px; font-size:24px; font-weight:bold; line-height:24px;}
    15 .a2{ background-color:green; 80px; height:40px; position:relative; left:0px; top:16px; font-size:24px; font-weight:bold; line-height:24px; overflow:hidden; transition:0.7s;}
    16 .a2:hover{ overflow:visible; cursor:pointer; background-color:#0FF; }
    17 .cc{ 80px; height:40px; position:relative;top:-24px; right:80px; font-size:24px; font-weight:bold; line-height:24px;}
    18 .a3{ background-color:yellow; 80px; height:40px; position:relative; left:0px; top:16px; font-size:24px; font-weight:bold; line-height:24px; overflow:hidden; transition:0.7s;}
    19 .a3:hover{ overflow:visible; cursor:pointer; background-color:#0FF; }
    20 
    21 
    22 </style>
    23 </head>
    24 
    25 <body>
    26 <div class="aa">aa
    27     <div class="a1">a1
    28     <div class="bb" style="background-color:red;">b1
    29     <div class="bb" style="background-color:#0F0;">b2
    30     <div class="bb" style="background-color:#F6C;">b3</div></div></div>
    31     </div>
    32     <div class="a2">a2
    33     <div class="cc" style="background-color:red;">c1
    34     <div class="cc" style="background-color:#0F0;">c2
    35     <div class="cc" style="background-color:#F6C;">c3</div></div></div>
    36     </div>
    37     <div class="a3">a3
    38     <div class="bb" style="background-color:red;">d1
    39     <div class="bb" style="background-color:#0F0;">d2
    40     <div class="bb" style="background-color:#F6C;">d3</div></div></div>
    41     </div>
    42     
    43 </div>
    44 
    45 </body>
    46 </html>
    不用JS

     

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  • 原文地址:https://www.cnblogs.com/maxin991025-/p/6282174.html
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