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> In our current code base we have more workarounds for FF bugs than any other browser, and some of them are pretty nasty. e.g. monkey patching `getComputedStyl

> In our current code base we have more workarounds for FF bugs than any other browser, and some of them are pretty nasty. e.g. monkey patching `getComputedStyle` to get around this: https://bugzilla.mozilla.org/show_bug.cgi?id=548397 https://bugzilla.mozilla.org/show_bug.cgi?id=548397 In that case, Blink and WebKit are changing to Firefox (and Edge)'s behavior, because it makes more sense. https://github.com/whatwg/html/issues/1813 https://github.com/whatwg/html/issues/1813

mbell 10y ago
> In that case, Blink and WebKit are changing to Firefox (and Edge)'s behavior The problem in FF isn't that they don't perform layout in the hidden iframe, it's that `getComputedStyle` returns `null`, which happens to be a side effect of not performing layout in Gecko. If you read through the various related issues in your link I think you'll find that they are moving to standardize on not performing layout in hidden iframes, but `getComputedStyle` returning `null` is still a bug that Gecko intends to fix.