Javascript 选项卡

时间：2014-06-06 13:32:15 收藏：0 阅读：249
<!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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