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carlosbensant/flatten.js

Created February 6, 2019 15:27
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Flatten - Javascript Function
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flatten.js
myArray = [[1,2,[3]],4]; // -> [1,2,3,4]
function flatten(arrayVal) {
return arrayVal.reduce((newArray, currentValue) => Array.isArray(currentValue) ? newArray.concat(flatten(currentValue)) : newArray.concat(currentValue), [])
}
console.log('flatten: ', flatten(myArray));
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