Medium javascript

Flatten nested array (one level)

Problem

Flatten [[1,2],[3],[4,5]] to [1,2,3,4,5].

Hints

Ready — edit the code above and click Run.

const nested = [[1, 2], [3], [4, 5]];
console.log(nested.flat());

Try solving on your own first, then reveal the official answer.

flat() with depth 1. Deep flatten uses flat(Infinity) or recursion.

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