Javascript 选项卡

时间：2023-03-10 03:10:05
Javascript 选项卡 
<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

    <title></title>

    <style type="text/css">

        #div1 .active

        {

            background: yellow;

        }

        #div1 div

        {

            width: 200px;

            height: 200px;

            background: #808080;

            border: 1px solid #f00;

            display: none;

        }

    </style>

    <script type="text/javascript">

        window.onload = function () {

            var oDiv = document.getElementById("div1");

            var aBtn = oDiv.getElementsByTagName("input");

            var aDiv = oDiv.getElementsByTagName("div");

            for (var i = 0; i < aBtn.length; i++) {

                //给每一个按钮增加一个Index属性

                aBtn[i].index = i;

                //给按钮增加事件

                aBtn[i].onclick = function () {

                    //先把所有的btn的class改成无

                    for (var j = 0; j < aBtn.length; j++) {

                        aBtn[j].className = '';

                        aDiv[i].style.display = 'none';

                    }

                    //当前点击的按钮是this

                    this.className = "active";

                    alert(this.index);

                    //aDiv[this.index].style.display = 'block';

                }

            }

        }

    </script>

</head>

<body>

    <div id="div1">

        <input type="button" class="active" value="教育" />

        <input type="button" value="培训" />

        <input type="button" value="招生" />

        <input type="button" value="出国" />

        <div style="display: block">11111111</div>

        <div>22222222</div>

        <div>33333333</div>

        <div>44444444</div>

    </div>

</body>

</html>

　　

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