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pragyandas/flatten.js

Last active February 27, 2017 19:27
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Flatten an Array using Reduce and Array.prototype.concat
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flatten.js
/**
* Flattens an array which contains array elements
* flatten([1,2,[3,4]]) // [1,2,3,4]
* @method flatten
* @param {Array} list
* @return {Array}
*/
const flatten = (list) => list.reduce((recur,next)=>Array.prototype.concat.call(recur,next),[])
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