摘要: function getElementsByClassName(str,root,tag){ if(root){ root=typeof root =='string' ? document.getElementById(root) :root; }else{ root=document.body; } tag=tag || *; var els=root.getElementsByTagName(tag),arr=[]; for(var i=0,n=els.length;i<n;i++){ for(var j=0,k=els[i].className.split(&qu 阅读全文
posted @ 2012-02-17 16:12 kpbiao 阅读(267) 评论(1) 推荐(0)