取消却不能直接弹出再见
<!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 newWindow=confirm("正在尝试打开新网页,是否打开"); if(newWindow=true){ var msg=prompt("请输入你想去的网站:","http://www.imooc.com/"); if(msg!=null){ window.open(msg,"_blank",'width=400px,height=500px,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>