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}
2.ÓÃonUnload·½·¨
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body onUnload="myClose()"
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var state = document.getElementById(id).style.display;
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event.srcElement.tagName
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event.keyCode
event.shiftKey
event.altKey
event.ctrlKey ʼþ·µ»ØÖµ
event.returnValue Êó±êλÖÃ
event.x
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return typeof arguments;
})();
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