<!DOCTYPE HTML><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>window对象</title><script type="text/javascript">function opon(){ window.open('http://www.imooc.com/code/871','_blank','width=600 height=400')}</script></head><body><form><input type="button" value="点击我，打开新窗口" onclick="opon()"/></form></body></html>找不到问题在哪，就是打不开新网页
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