Re: [whatwg/dom] initEvent should not require three parameters (#387)

As I said, we have no evidence of actual Web breakage. Sadly, there are a lot of WebKit-specific apps / extensions calling initEvent() with a single parameter. We usually deal with this by adding quirks until those apps get fixed. However, in this case, it seems to be a common pattern and it is breaking a lot of iOS apps.

I agree that this is not a very compelling argument to get the specification changed but Alex thought it was worth trying given the pain we're currently experiencing. Also note that those 2 boolean parameters are not required when you use the Event constructor (i.e. You can call the Event constructor with only a type) and those have default values (false) for the constructor. Therefore, having initEvent() behave similarly wouldn't look too surprising.



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