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<html>3
<head>4
<meta charset="utf-8">5
<title>蜜蜂教程(mifengjc.com)</title>6
<script>7
var myWindow;8
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function openWin() {10
myWindow = window.open("", "", "width=400,height=200");11
}12
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function closeWin() {14
if (myWindow) {15
myWindow.close();16
}17
}18
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function checkWin() {20
if (!myWindow) {21
document.getElementById("msg").innerHTML = "我的窗口没有被打开!";22
} else {23
if (myWindow.closed) {24
document.getElementById("msg").innerHTML = "我的窗口被关闭!";25
} else {26
document.getElementById("msg").innerHTML = "我的窗口没有被关闭!";27
}28
}29
}30
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</head>32
<body>33
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<input type="button" value="打开我的窗口" onclick="openWin()" />35
<input type="button" value="关闭我的窗口" onclick="closeWin()" />36
<br><br>37
<input type="button" value="我的窗口被关闭了吗?" onclick="checkWin()" />38
<br><br>39
<div id="msg"></div>40
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</body>42
</html>