8ee50178f3
Correct: `Array.from()` (it’s a static method) Incorrect: `Array.join()` (doesn’t exist; it’s a prototype method) This patch uses the common `#` syntax to denote `.prototype.`.
339 B
339 B
similarity
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().
const similarity = (arr, values) => arr.filter(v => values.includes(v));
similarity([1, 2, 3], [1, 2, 4]); // [1, 2]