<html>
<script language ="javascript">
var child= window.open("test.html","_blank","width=299,height=499,toolbar=no");
function closechild(){
if(!child.closed){
child.close();
}
}
</script>
<body onunload="closechild()">
</body>
</html>
<script language ="javascript">
var child= window.open("test.html","_blank","width=299,height=499,toolbar=no");
function closechild(){
if(!child.closed){
child.close();
}
}
</script>
<body onunload="closechild()">
</body>
</html>
本文介绍了一段使用JavaScript实现的新窗口弹出并在主窗口关闭时同步关闭新窗口的代码示例。此脚本通过`window.open()`方法打开新窗口,并利用`onunload`事件确保当主窗口被关闭时,新窗口也会被关闭。
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