Js操作DOM小练习_01

时间：2020-12-21 16:54:13

1、页面引入jQuery文件和bootstrap文件；

2、贴上代码

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <link href="css/bootstrap.css" rel="stylesheet">

    <title>wawa</title>

</head>

<style>

    *{

        margin: 0px;

     }

    .tbDiv{

        height: 10em;

        background-color: rgba(120,120,120,0.5);

    }

    .dropImg{

        width: 14px;

        height: 4em;

        overflow: hidden;

        /*overflow: visible;*/

    }

    .dropImg img{

        width: 100%;

    }

   .wbDiv{

       height: 10em;

       background-color: #31b0d5;

       text-align: center;

   }

</style>

<body>

<div class="container-fluid tbDiv">

</div>

<!--<div class="container-fluid">中</div>-->

<marquee direction="right" behavior="alternate" scrollamount="5"  id="marqueeId" onmouseover="this.stop()"  onmouseout="this.start()">

    <div class="dropImg" id="dropImgId">

        <img src="data:images/dropdown.png">

    </div>

</marquee>

<div class="container-fluid wbDiv navbar-fixed-bottom">

    <a class="btn btn-lg btn-warning" id="catchWawa">抓</a>

</div>

<script src="js/jquery-2.1.4.min.js"></script>

<script>

    var cHeight=$(window).height();

    var isDown=false;

    $('#catchWawa').click(function(){

        if(!isDown){

            document.getElementById("marqueeId").onmouseover();

            slowheight(1);

            document.getElementById("preId").innerHTML="恭喜你！抓到了";

            document.getElementById("catchWawa").innerHTML="收货";

            isDown=true;

        }

        else{

            document.getElementById("marqueeId").onmouseout();

            $('#dropImgId').css('height','4em');

            document.getElementById("catchWawa").innerHTML="下手";

            isDown=false;

        }

    });

    function slowheight(m) {

         $('#dropImgId').css('height',cHeight*m/100);

         m++;

        metest= setTimeout(function() {

            if(m==76){

                $('#catchWawa').css('display','block');

               clearTimeout();

            }else{

                $('#catchWawa').css('display','none');

                slowheight(m);

            }

        },10);

    }

</script>

<pre id="preId">

    1、设置属性

    $(selector).attr('属性名','属性值')

    2、获取当前浏览器可是区域宽度：

    var cWidth=$(window).width();

</pre>

</body>

</html>

相关文章