Array | similarity

Tue Apr 05 2022 18:03:29 GMT+0000 (Coordinated Universal Time)

Saved by @massa

const similarity = (arr, values) => arr.filter(v => values.includes(v));

similarity([1, 2, 3], [1, 2, 4]); // [1, 2]

Returns an array of elements that appear in both arrays. Use Array.prototype.filter() to remove values that are not part of values, determined using Array.prototype.includes().