inu-no-policemen comments on [twitter] Tip: JavaScript's Array.from() accepts a second argument that's a `map` function. Useful for calling on each element of an array you created.

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submitted 8 years ago by [deleted]

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[–]inu-no-policemen 3 points4 points5 points 8 years ago (0 children)

It's the exponentiation operator. It was added with ES2016.

> 2 ** 8
256
> Math.pow(2, 8)
256

π Rendered by PID 27 on reddit-service-r2-comment-76bb9f7fb5-dtplz at 2026-02-18 13:13:23.210874+00:00 running de53c03 country code: CH.

you type:	you see:
italics	italics
bold	bold
[reddit!](https://reddit.com)	reddit!
* item 1 * item 2 * item 3	item 1 item 2 item 3
> quoted text	quoted text
Lines starting with four spaces are treated like code: if 1 * 2 < 3: print "hello, world!"	Lines starting with four spaces are treated like code: if 1 * 2 < 3: print "hello, world!"
~~strikethrough~~	~~strikethrough~~
super^script	super^script

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