给li标签添加属性<ul> <li></li> <li></li> <li></li> <li></li></ul>1.用jquery方法 $('ul').find('li').attr("index", function () {return $(this).index()})2.用js方法 var aLi = document.getElementsByTagNa
var aLi = document.querySelectorAll('.article-tab li'); for (var i = 0; i <= aLi.length; i++) { (function(){ var p = i aLi[i].onclick = function() { alert(p); } })(); }
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta content="text/html; cha