Javascript 如何找到Windows.onbeforeunload上正在运行的事件?
如何找到Windows.onbeforeunload上正在运行的事件?例如刷新、返回、关闭浏览器等Javascript 如何找到Windows.onbeforeunload上正在运行的事件?,javascript,onbeforeunload,Javascript,Onbeforeunload,如何找到Windows.onbeforeunload上正在运行的事件?例如刷新、返回、关闭浏览器等 <script language="JavaScript" type="text/javascript"> window.onbeforeunload = confirmExit; function confirmExit() { alert('here i need to show which event is working') return "";
<script language="JavaScript" type="text/javascript">
window.onbeforeunload = confirmExit;
function confirmExit()
{
alert('here i need to show which event is working')
return "";
}
</script>
这个问题很早以前就被问到了,可能是重复的,也许从那以后事情发生了变化。