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                            /JavaScript
                        
                        /JavaScript入門篇

點(diǎn)按鈕沒(méi)反應(yīng)，用別人的代碼能正常運(yùn)行，一行行對(duì)照了也沒(méi)看出來(lái)差在哪里

<!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?message=confirm("你想在新窗口打開(kāi)網(wǎng)頁(yè)嗎？");
??????//?新窗口打開(kāi)時(shí)彈出確認(rèn)框，是否打開(kāi)
????if(message==true){
??????var?address=prompt("請(qǐng)輸入網(wǎng)址","http://idcbgp.cn/");
??????//?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/
??????if(address!=null){
????????window.open(address,'_blank','width=400,height=500,menubar=no,toolbar=no');
????????}
????????//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。
??????else{
????????document.write("已取消操作");
????????}
????else{
??????document.write("好吧，下次再說(shuō)");
??????}
????}
??</script>?
?</head>?
?<body>?
????<input?type="button"?value="新窗口打開(kāi)網(wǎng)站"?onclick="openWindow()"?/>?
?</body>
</html>

第一步就出問(wèn)題，點(diǎn)按鈕沒(méi)有彈出窗口