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js之选项卡2

2024-10-09 14:59:02   217人阅读

<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
<style>
#div1 .active {background:yellow;}
#div1 div {width:200px; height:200px; background:#CCC; border:1px solid #999; display:none;}
</style>
<script>
window.onload=function ()
{
    var oDiv=document.getElementById(‘div1‘);  //获取id为div1的元素
    var aBtn=oDiv.getElementsByTagName(‘input‘);
    var aDiv=oDiv.getElementsByTagName(‘div‘);
    
    for(var i=0;i<aBtn.length;i++)
    {
        aBtn[i].index=i;   //input元素的索引值设为i
        aBtn[i].onclick=function ()
        {
            for(var i=0;i<aBtn.length;i++)   //将所有input的样式清空
            {
                aBtn[i].className=‘‘;
                aDiv[i].style.display=‘none‘;
            }
            this.className=‘active‘;    //将选择的元素添加class
            //alert(this.index);
            aDiv[this.index].style.display=‘block‘;   //将选择项相应的div元素显示出来
        };
    }
};
</script>
</head>

<body>
<div id="div1">
    <input class="active" type="button" 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;">1111</div>
    <div>2222</div>
    <div>333</div>
    <div>4444</div>
</div>
</body>
</html>

 

js之选项卡2


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