Reverse a String

Data Structures, Operators & Stringseasy

Course · Section 9: Data Structures, Modern Operators and Strings · Lecture 128: Working With Strings - Part 1

Implement `reverse(str)` returning the characters of `str` in reverse order.

Input: reverse("hello")

Output: "olleh"

Input: reverse("")

Output: ""

+ 2 hidden tests run on Submit.

Common pitfalls

This splits by code unit, so it can mangle characters outside the basic plane (emoji).

Approach & explanation (try first)

Splitting to an array lets you reverse and rejoin into the reversed string.

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Run your code to see results.