<!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 isopen=comfirm(是否打开)// 新窗口打开时弹出确认框,是否打开
if(isopen==ture)
{var isok=prompt(输入网址,否则默认网址为http://www.imooc.com/))
if(isok==null)
{window.open('http://www.imooc.com/','_blank','width=400,height=500,menubar=no,toolbar=no'}// 通过输入对话框,确定打开的网址,默认为 http://www.imooc.com/
else{
window.open('isok','_blank')
}
}
//打开的窗口要求,宽400像素,高500像素,无菜单栏、无工具栏。
else {
alert(再见);
}
</script>
</head>
<body>
<input type="button" value="新窗口打开网站" onclick="openWindow()" />
</body>
</html>
你这错的也太太太多了吧,N个地方
<!DOCTYPE html><html> <head> <title> new document </title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <script type="text/javascript"> function openWindow() { var isopen=confirm("是否打开"); if(isopen){ var isok=prompt("请输入输入网址","https://www.imooc.com/"); if (isok!=null) { window.open(isok,"_blank","width=400,height=500,toolbar=no,menubar=no"); }else{ return null; } }else{ alert("再见"); } } </script> </head> <body> <input type="button" value="新窗口打开网站" onclick="openWindow()" /> </body></html>