關(guān)于Javascript入門課程 第二章的練習題
<!DOCTYPE?html> <html> <head> <meta?charset="UTF-8"> <title>編程練習</title> <script?type?=?"text/Javascript"> //新窗口打開前彈出確認框,是否打開 function?Openwindow(){ var?ifOpen?=?confirm(是否打開窗口?); if(ifOpen?==?true){ var?url?=?prompt("請輸入你要打開的網(wǎng)址","http://idcbgp.cn")"; window.open('url','_blank', ????'width?=?400px,height?=?500px,menubar?:no,toolbar:no'); ????} ???? } </script> </head> <body> <input?name?=?"button"?type?=?"button"?value?=?"新窗口打開網(wǎng)站"?onClick=?"Openwindow()"> </body> </html>
執(zhí)行完,點擊“新窗口打開網(wǎng)頁”沒反應呢?
2017-01-06
修改代碼如下:有兩處有問題。1:第九行,內(nèi)容加引號。2.第11行,最后面多了個引號。粗心大意了。
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>編程練習</title>
<script type = "text/Javascript">
//新窗口打開前彈出確認框,是否打開
?var Openwindow = function (){
var ifOpen = confirm('是否打開窗口?');
if(ifOpen == true){
? ? var url = prompt("請輸入你要打開的網(wǎng)址","http://idcbgp.cn");
? ? window.open('url','_blank',
? ? ? ? ? ? ? ? 'width = 400px,height = 500px,menubar :no,toolbar:no');
? ? }
}
</script>
</head>
<body>
<input name="button" type="button" value="新窗口打開網(wǎng)站" onclick="Openwindow()">
</body>
</html>