<!DOCTYPE HTML><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>trick</title><script type="text/javascript">function tanchuang(){ var ifor(i=0;i>=0;i++)alert("哈哈哈,你上当啦!!!")}</script></head><body><form><input type="button" value="点击有奖" onclick="tanchuang()"></form></body></html>
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