为什么要写titles[i].id=i??下面的cons[this.id].style.display="block" 写成cons[i].style.display="block" 不行吗?
2015-11-24
已采纳回答 / qq_星宇冰辰_0
<!doctype html><html><head> <meta charset="UTF-8"><title>Document</title><script type="text/javascript">window.onload=function(){ var send=document.getElementById('send'), times=60, timer=null;sen...
2015-11-19