[Bug 27384] CSSStyleSheet.insertRule's index argument should be optional with default 0

https://www.w3.org/Bugs/Public/show_bug.cgi?id=27384

--- Comment #14 from Philip Jägenstedt <philipj@opera.com> ---
Something interesting came up while I was poking at the non-standard
CSSStyleSheet.addRule that IE introduced and WebKit copied.

In IE it has two mandatory arguments while the index argument is optional. If
left out, it default to appending, not prepending. It would make sense to do
the same for insertRule, in case we end up having to standardize addRule:
https://www.chromestatus.com/metrics/feature/timeline/popularity/220

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Received on Wednesday, 26 November 2014 13:28:06 UTC