etc original implementation date

jxbardant (JX Bardant) January 6, 2024, 10:21am 3

It would be an extremely useful feature when you want to get a polyfill according to a certain ECMAScript standard.

Topic		Replies	Views
Specifications missing history info? MDN feedback , issue	2	723	June 8, 2020
Which ECMA edition mozjs obey？ MDN	1	222	August 17, 2020
How can we get which JS is supported by firefox? MDN learning	3	2697	November 28, 2020
ES.later covered by docs? If yes, how? MDN documentation	0	683	January 8, 2020
(Spam, i am) Can't Delete Post on new Forum <<<< Development	2	851	August 20, 2015