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jonurry/5-1 Eloquent Javascript Solutions.js

Created February 20, 2018 10:48
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5.1 Flattening (Eloquent JavaScript Solutions)
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5-1 Eloquent Javascript Solutions.js
// 5.1 Flattening
let arrays = [[1, 2, 3], [4, 5], [6]];
console.log(arrays.reduce((array1, array2) => array1.concat(array2)));
// → [1, 2, 3, 4, 5, 6]
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jonurry commented Feb 20, 2018

5. Higher-Order Functions

5.1 Flattening

Use the reduce method in combination with the concat method to “flatten” an array of arrays into a single array that has all the elements of the original arrays.

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