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yitonghe00/Eloquent JavaScript 0501 Flattening.js

Created April 17, 2020 05:10
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Eloquent JavaScript 0501 Flattening.js
let arrays = [[1, 2, 3], [4, 5], [6]];
// Your code here.
const flat = (arrays) => {
const ret = [];
arrays.forEach((array) => {
array.forEach((num) => ret.push(num));
});
return ret;
};
console.log(flat(arrays));
// → [1, 2, 3, 4, 5, 6]
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