Find Maximum

Working With Arrayseasy

Course · Section 11: Working With Arrays · Lecture 149: Simple Array Methods

Implement `findMax(arr)` returning the largest number in a non-empty array.

Input: findMax([3,7,2,8,5])

Output: 8

Input: findMax([-1,-5])

Output: -1

+ 1 hidden test run on Submit.

Common pitfalls

Math.max() with no arguments returns -Infinity; only safe because the array is non-empty.

Approach & explanation (try first)

Spreading the array into Math.max returns the largest element.

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