Chrome was the last holdout on ES6 Map/Set support...but no longer, Chrome 38 has support for Set/Map enabled without flags, rock!
@jdalton I don’t think there’s a way to do that currently. Anyway, Opera 25 is coming soon. +@domenic @addyosmani
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@jdalton I don’t think there’s a way to do that currently. Anyway, Opera 25 is coming soon. +@domenic @addyosmani