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Where is the source code of onBlur() or onreadystatechange() eventshandlers , are they in Browser?
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Himanshu Bhatnagar
Greenhorn
Joined: Sep 27, 2011
Posts: 9
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Where can i find the source code of onBlur() or onchange event handlers? are the defination of these written in Browser? how is browser able to understand events? can i change the browser code to make my custom event handlers?
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Eric Pascarello
author
Rancher
Joined: Nov 08, 2001
Posts: 15361
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Source code? Decompile the browser and you can see it. 
What are you trying to do exactly?
Eric
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Aniruddh Joshi
Ranch Hand
Joined: Jul 29, 2008
Posts: 275
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Maybe you can download the code of an open source browser and see the code.
My rough idea of it would be.. browser would have some listener/observer design pattern implemented.
Where an object watches the state of the DOM object.
There would be a boolean like isControlOnMe which is reset to false when a user moves out of the field.
Now the listener calls every function written against the onBlur attribute once state of isControlOnMe switches from true to false.
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Anrd
"One of the best things you could do is to simplify a larger application into a smaller one by reducing its process and complexity - Fowler"
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subject: Where is the source code of onBlur() or onreadystatechange() eventshandlers , are they in Browser?
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