--- title: findLast tags: array,beginner firstSeen: 2018-01-11T13:51:58+02:00 lastUpdated: 2020-10-22T20:23:47+03:00 --- Finds the last element for which the provided function returns a truthy value. - Use `Array.prototype.filter()` to remove elements for which `fn` returns falsy values. - Use `Array.prototype.pop()` to get the last element in the filtered array. ```js const findLast = (arr, fn) => arr.filter(fn).pop(); ``` ```js findLast([1, 2, 3, 4], n => n % 2 === 1); // 3 ```