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samcyn/flatten.js

Created December 19, 2018 14:40
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Flattening arrays
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flatten.js
var givenArray = [1,2,[3,4,5], 6, [7,8]];
function flattenController(arr) {
return arr.reduce(function (flat, toFlatten) {
return flat.concat(Array.isArray(toFlatten) ? flatten(toFlatten) : toFlatten);
}, []);
}
flattenController(givenArray); // [1, 2, 3, 4, 5, 6, 7, 8];
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