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Last active January 11, 2019 16:28
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Flat Array
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flat.md

Flatten array in JS

[1, 2, 3, [4, 5, [6, 7]]].flat() // >> [1, 2, 3, 4, 5, [6, 7]]
[1, 2, 3, [4, 5, [6, 7]]].reduce((acc, next) => acc.concat(next), []) // >> [1, 2, 3, 4, 5, [6, 7]]

// deep flat
[1, 2, 3, [4, 5, [6, 7]]].flat(Infinity) // >> [1, 2, 3, 4, 5, 6, 7]
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