如何在JavaScript中添加和删除动态控件？
方法一:
<inputtype="button"onClick="add();"value="添加控件"><divid="a"></div><script>varnum=0;
functionadd(){
alert(window.document.getElementById("a").innerHTML);window.document.getElementById("a").innerHTML=window.document.getElementById("a").innerHTML+"<br/><inputtype='text'id='up"+num+"'><ahref='#'onClick='javascript:del("+num+");'>删除此控件"+num+"</a>";num=num+1;
}functiondel(n){varstr=window.document.getElementById("a").innerHTML;varregEx=newRegExp("<BR><[^<>]*(up"+n+"){1}[^<>]*><[^<>]*>[^<>]*</A>");str=str.replace(regEx,"");alert(str);window.document.getElementById("a").innerHTML=str;}</script>本文地址：http://www.45fan.com/a/question/67595.html