jquery 怎样给每个li加上li所在位置的class属性？

Question

本帖最后由 mingfish 于 2009-08-28 12:03:00 编辑

Answer 1

$(function(){
$('#theul>li').each(function(i){this.className = 'list' + (i+1);});
$('#theul>li').each(function(){alert(this.className);});
})
<ul id='theul'>
    <li>aa</li>
    <li>aa</li>
    <li>aa</li>
    <li>aa</li>
    <li>aa</li>
    <li>aa</li>
    <li>aa</li>
    <li>aa</li>
</ul>

Answer 2

$(function(){
    $('ul>li').each(function(i){
    $(this).addClass( 'list' + (i+1));}); 
})