Every Nth Element

Numbers, Dates & Timersmedium

Course · Section 12: Numbers, Dates, Intl and Timers · Lecture 183: The Remainder Operator

Implement `everyNth(arr, n)` returning the elements at indices `0, n, 2n, ...` using the remainder operator.

Input: everyNth([10,20,30,40,50,60], 2)

Output: [10,30,50]

Input: everyNth([1,2,3], 1)

Output: [1,2,3]

+ 1 hidden test run on Submit.

Common pitfalls

Approach & explanation (try first)

Filtering on the index modulo n selects every nth element.

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