<!DOCTYPE html><html> <head> <title> new document </title> <meta http-equiv="Content-Type" content="text/html; charset=gbk"/> <script type="text/javascript"> function openWindow(){ var open=confirm("是否打开？"); if(open==true){ var web=prompt("请输入网址：","http://www.imooc.com/") if(web!=null){ window.open(web,'_blank','width=400,height=500,menubar=no,toolbar=no') } }} </script> </head> <body> <input type="button" value="新窗口打开网站" onclick="openWindow()" /> </body></html>
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