如何停止窗口卸载？

Question

当用户点击另一个链接或刷新页面时,窗口会卸载,如何防止/确认？

Answer 1

从这里http://bytes.com/topic/javascript/insights/825556-using-onbeforeunload-javascript-event

<script type="text/javascript">
     window.onbeforeunload = function(){ return 'Your Returned String Goes Here';}
</script>