無法彈出prompt框，求解救！??！
<!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 ahou=confirm("shi fou da kai?");
??????? if(ahou==ture)
??????? {
??????????? var url=prompt("通過輸入對話","http://www.xianlaiwan.cn");
???????????
??????????? window.open(url,"_blank",'width=400,height=500');???
??????????? }
??????????? else
??????????? {
??????????? alert("shu ru zheng que wang zhi");???
??????????? }
??????????
??????? }
??????? else{alert("da kai shi bai");}
??????? }
? </script>
?</head>
?<body>
????? <input type="button" value="新窗口打開網站" onclick="openWindow()" />
?</body>
</html>
2016-01-09
<!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 ahou = confirm("shi fou da kai?");
if (ahou == true) {
var url = prompt("通過輸入對話", "http://www.xianlaiwan.cn");
window.open(url, "_blank", 'width=400,height=500');
} else {
alert("shu ru zheng que wang zhi");
}
}
</script>
</head>
<body>
<input type="button" value="新窗口打開網站" onclick="openWindow()" />
</body>
</html>
2016-01-09
? <script type="text/javascript">?
? ?function openWindow(){
??????? var ahou=confirm("shi fou da kai?");
??????? if(ahou)
??????? {
??????????? var url=prompt("通過輸入對話","http://www.xianlaiwan.cn");
??????????? if(url=="http://www.xianlaiwan.cn")
??????????? ?window.open(url,"_blank",'width=400,height=500');
??????????? else
??????????? alert("shu ru zheng que wang zhi");
??????? }
??????? else
??????? alert("da kai shi bai");
??????? }
? </script>