<!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 newpage=confirm("要打开新窗口吗?"); if(newpage=true) { var url=prompt("请输入要打开的网址:","http://www.imooc.com/"); if(url!=null) { window.open(url,'_blank','width=400,height=500,menubar=no,toolbar=no'); } else { alert("再见!") } } else { alert("再见!") } } </script> </head> <body> <input type="button" value="新窗口打开网站" onclick="openWindow()" /> </body> </html>
请大家帮忙看看问题出在哪儿
if(newpage==true)