Different browsers implement different things in different ways. For example, see the event model differences here
Where can I find the complete official documentation of the brower's implementation?
Different browsers implement different things in different ways. For example, see the event model differences here
Where can I find the complete official documentation of the brower's implementation?
There is no official documentation but an excellent unofficial one: quirksmode.org
QuirksMode.org is the prime source for browser compatibility information on the Internet.