标签：inpu body function button sele targe index alert value
<body> <div class="titTab"> <span>低</span> <span>中</span> <span class="select">高</span> </div>
<input type="button" value="获取下标" class="target"/>
</body>
$(".target").click(function(){
//方法一 注意空格与非空格
var index = $(‘.titTab span.select‘).index();
//方法二
//var index = $(‘.titTab .select‘).index();
alert("index:"+index);//弹出index:2
});
标签：inpu body function button sele targe index alert value
原文地址：http://www.cnblogs.com/yinyl/p/7885579.html
