Never heard of a "from" loop before. | Hacker News

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phogster on March 19, 2021 | parent | context | favorite | on: Click

Never heard of a "from" loop before.

franky47 on March 19, 2021 | [–]

Array.from lets you build an array from an iterable source (often used in conjunction with `new Set` to eliminate duplicates), or in this case, of a fixed length.

klyrs on March 19, 2021 | | [–]

Not JavaScript, but... https://en.m.wikipedia.org/wiki/COMEFROM

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