The window.onerror is an event handler for errors events sent to the window, catching all Unhandled Exceptions. But this approach has the problem that only works on IE or Gecko based browsers. It's a damn limitation for sure...
BTW, in order to test the onerror event, use a simple code line like "color[2]" without any initializing letting the script get error, then you'll see the alert window.
References:
https://developer.mozilla.org/En/DOM/Window.onerror
http://stackoverflow.com/questions/339580/does-javascript-fire-an-event-for-unhandled-uncaught-exceptions
http://stackoverflow.com/questions/1008692/window-onerror-not-firing-in-firefox
This is what exactly I was looking for. Now I can catch the unhandled error and inform the server about it (Ajax). The server will inform me by email. So I will come to know about the error. Helps me to identify and fix the errors.
ReplyDeleteThanks once again.
One more thing to add here is if you return false from this method instead of true, then the browser default handling (logging in browser javascript console etc) will also work.
ReplyDeleteHappy to help :)
Deleteregarding your second comment, I will certainly try it! Thanks!
Cheers,
AP
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