use window.opener, for examplea.html:
<a href="b.html" target="_blank">
<script>
document.write(new Date());
</script>
</a>
b.html:
<input type="button" value="refresh" onclick="if (!window.opener.closed) window.opener.location.reload(true)">
<a href="b.html" target="_blank">
<script>
document.write(new Date());
</script>
</a>
b.html:
<input type="button" value="refresh" onclick="if (!window.opener.closed) window.opener.location.reload(true)">
在B窗口中加上如此语句
<body onload="window.close()" onbeforeunload="opener.location.reload()">
2.如何处理已经关闭了a窗口,点击b窗口按钮出现的错误?
不知道