js控制div样式作业

Original 2019-02-19 10:34:27 209
abstract:<!DOCTYPE html><html><head>    <meta charset="UTF-8">    <meta name="viewport" content="width=device-width, initial-scale=1.0&qu

<!DOCTYPE html>

<html>

<head>

    <meta charset="UTF-8">

    <meta name="viewport" content="width=device-width, initial-scale=1.0">

    <meta http-equiv="X-UA-Compatible" content="ie=edge">

    <title>js控制div样式</title>

    <style>

        #box{width: 100px;height: 100px;background-color: red;margin: 20px 80px;}

    </style>

</head>

<body>

    <div id="box"></div>

    <input type="button" value="变高" onclick="aa()">

    <input type="button" value="变宽" onclick="bb()">

    <input type="button" value="变色" onclick="cc()">

    <input type="button" value="重置" onclick="dd()">

    <input type="button" value="隐藏" onclick="ee()">

    <input type="button" value="显示" onclick="ff()"> 


    <script type="text/javascript">

        var box;

        window.onload=function(){

            box=document.getElementById('box')

        }

        function aa(){

            box.style.height="400px";

        }

        function bb(){

            box.style.width="400px";

        }

        function cc(){

            box.style.backgroundColor="pink";

        }

        function dd(){

            box.style.height="100px";

            box.style.width="100px";

            box.style.backgroundColor="red";

        }

        function ee(){

            box.style.display="none";

        }

        function ff(){

            box.style.display="block";

        }

    </script>

</body>

</html>


Correcting teacher:韦小宝Correction time:2019-02-19 11:03:00
Teacher's summary:使用js来完成这种小案例还是蛮有意思的 做成一个点击变化的一个效果很不错 没事的时候记得要多练习!

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