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pratyushcrd/ninjajs-flatten.js

Last active January 13, 2018 13:11
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ninjajs-flatten.js
const flatten = arr => arr
.reduce((a, b) => a.concat(b))
// Execution
flatten([
[1, 2, 3],
[4, 5],
[6]
])
Output : [1, 2, 3, 4, 5, 6]
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