Created
February 1, 2019 09:15
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JS: Implementation of flatten
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| function flatten(arr) { | |
| return arr.reduce((acc, it) => | |
| acc.concat((it instanceof Array) ? flatten(it) : it) | |
| , []) | |
| } | |
| flatten([[[1, [1.1]], 2, 3], [4, 5]]); |
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