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by mathias 2760 days ago
Hey, I’m the author of the article. Despite its age, it’s still accurate and up-to-date.

> these features aren't entirely new

Depends on what you mean by that. These features are still not universally supported by all modern browsers, for example, so I can imagine they’re still new to a lot of developers.

Chrome supports all these features (except for String#matchAll, which is currently at Stage 3). Other browsers don’t yet support the full set, but they’re all working on getting there.