JS implements the problem of closing the current child window and refreshing the parent window

Add in child window :

<script type="text/javascript">

window.onunload = onbeforeunload_handler;       
function onbeforeunload_handler(){   
window.opener.location.href = window.opener.location.href;

 }

</script>

attach ：

onbeforeunload and onunload difference ：

onbeforeunload It is also called when the page is refreshed or closed ,onbeforeunload It is called when you are about to go to the server to read a new page , Reading has not started yet ; and onunload The new page to be loaded has been read from the server , Called when the current page is about to be replaced .onunload You can't prevent the update and closing of the page . and onbeforeunload It can be done .