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在父窗口中得知window.open()出的子窗口關閉事件的方法

<HTML>
	<BODY>
		<P> </P>
		<form name=fm_Info>
			<input type=text name=txtValue>
		</form>
		<script language=javascript>
			var timer
			var winOpen
			function IfWindowClosed() {
				if (winOpen.closed == true) { 
					document.fm_Info.txtValue.value="child closed"
					window.clearInterval(timer)
				}
			}
		</script>
		<input type=button name=btnOpen value=open>

		<script language=javascript for=btnOpen event=onclick>
			document.fm_Info.txtValue.value=""
			winOpen=window.open("child.htm","","toolbar=no, location=no, directories=no, status=no, menubar=no" )
			timer=window.setInterval("IfWindowClosed()",500);
		</script>
	</BODY>
</HTML>

最後更新：2017-04-03 14:53:43

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