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vijayjangid/flatten.js

Created June 4, 2019 13:12
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JS flatten array using ES6
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flatten.js
_flatten = input =>
input.reduce((acc, curr) =>
Array.isArray(curr) ? [...acc, ..._flatten(curr)] : [...acc, curr], []);
// test
_flatten([[1,2],3,4,[5,[6,7],8],[9,[10,[11]]]]); // [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
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