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能實(shí)現(xiàn)題目所有要求的一種答案，各位大神有更好方法的話求分享

<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>openwindow</title>
? <script type="text/javascript">
? function openwindow(){
??? var open=confirm("確定要打開新窗口嗎？") ;
??? if(open==true)
??? {
??????? var net;
? ? ? ? net=prompt("請(qǐng)輸入你想打開的網(wǎng)址：",) ;

????????//括號(hào)里面的逗號(hào)不能少，不然輸入的網(wǎng)址不能正常賦值給net?？梢暂斎肴我饽阆朐L問(wèn)的網(wǎng)址

??????? if(net!=null)
??????? {
??? ?????window.open(net,'_blank','width=400,heigh=500,menubar=no,toolbar=no');

????????//window.open()內(nèi)的net不用單引號(hào)括起來(lái)
??????? }
??????? else
??????? {
??????? //可考慮用正則表達(dá)式判斷網(wǎng)址是否正確
??????? alert("你輸入的網(wǎng)址錯(cuò)誤");
??????? }
??? }
??? else
??? {
??????? window.close();
??? }
? }???
? </script>
</head>
<body>
??? <input name="button" type="button" onClick="openwindow()" value="點(diǎn)擊我，打開新窗口" />
</body>
</html>

Z_Chris

2018-08-02

源自：JavaScript入門篇 2-7

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2 回答

慕蓋茨9312997
2018-08-09

?function?openWindow(){????????
?var?con=confirm("是否打開");????????
?if(con==true){????????????
?var?pp=prompt("請(qǐng)輸入你要打開的網(wǎng)址"，"http://yifanck.cn/");????????????
?window.open('pp','_blank','width=400,height=500,toolbar=no,menubar=no');????????
?}????????
?else{
?????????????document.write("你選擇不打開網(wǎng)址");????????}????
?}