Travis build: 391
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@ -7,9 +7,9 @@ Use `Array.concat()` with an empty array (`[]`) and the spread operator (`...`)
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Recursively flatten each element that is an array.
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```js
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const deepFlatten = arr => [].concat(...arr.map(v => Array.isArray(v) ? deepFlatten(v) : v));
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const deepFlatten = arr => [].concat(...arr.map(v => (Array.isArray(v) ? deepFlatten(v) : v)));
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```
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```js
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deepFlatten([1,[2],[[3],4],5]) // [1,2,3,4,5]
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deepFlatten([1, [2], [[3], 4], 5]); // [1,2,3,4,5]
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```
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