How to not triggered when the page loads onpropertychange event

Such as the title , do today is entangled page initialization event is triggered when the page is in how initialization this event is triggered when the page is not as time controls can only be used with the event
------ Solution ------------------- onpropertychange -------------------------
stupid way : Define a var count = 0, test () method to determine , for the 0 to +1 , does not deal with . Not 0 for processing .
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seeking Great God replies
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there is no other way
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I find a way the time the page is loaded with js plus onpropertychange event or thank you