這個(gè)到底哪里不對(duì)?找不出錯(cuò)來(lái),可是打不開(kāi)?。???
<!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 tom1=confirm("你確定要打開(kāi)嗎?");
??? if(tom1==true)
??? {
??????? var tom2=prompt("要打開(kāi)的網(wǎng)站是這個(gè)嗎?","http://idcbgp.cn/");
??????? if(tom2!=null)
??????? {
??????????? window.open(tom2,'_blank','width=400,height=500,menubar=no,toolbar=no,scrollbars=yes,status=yes');
??????? }
??????? else
??????? {
??????????? alert("無(wú)網(wǎng)站,打不開(kāi)");
??????? }
??? }
??? else
??? {
??????? alert("你選擇不打開(kāi)這個(gè)網(wǎng)站。");
??? }
??????? }
??? // 新窗口打開(kāi)時(shí)彈出確認(rèn)框,是否打開(kāi)
??? // 通過(guò)輸入對(duì)話框,確定打開(kāi)的網(wǎng)址,默認(rèn)為 http://idcbgp.cn/
??? //打開(kāi)的窗口要求,寬400像素,高500像素,無(wú)菜單欄、無(wú)工具欄。
?? ?
?? ?
? </script>
?</head>
?<body>
?? ?? <input type="button" value="新窗口打開(kāi)網(wǎng)站" onclick="openWindow()" />
?</body>
</html>
2016-06-06
if里面套if?