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<!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 isTrue = confirm('是否打开新网站'); if(isTrue){ var url = prompt('请输入打开的网址','http.//www.imooc.com'); window.open(url,'_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>