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1.ÓÃjavascriptÖØÐ¶¨Òå window.onbeforeunload()  ʼþ
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function  window.onbeforeunload()  {  alert("¹Ø±Õ´°¿Ú")}
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var XEDITOR_STATUS_NOTLOADED = 0;
var XEDITOR_STATUS_ACTIVE = 1;
var XEDITOR_STATUS_COMPLETE = 2;
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