Introduction
In this lab, we will learn how to reverse a string using JavaScript. We will use the spread operator and Array.prototype methods to reverse the order of characters in a given string. This lab is designed to help you understand the fundamental concepts of JavaScript and improve your problem-solving skills.
This is a Guided Lab, which provides step-by-step instructions to help you learn and practice. Follow the instructions carefully to complete each step and gain hands-on experience. Historical data shows that this is a beginner level lab with a 100% completion rate. It has received a 100% positive review rate from learners.
Here's a function to reverse a string:
To reverse a string, use the spread operator (...) and Array.prototype.reverse(). Combine characters to get a string using Array.prototype.join(). Here's the code:
const reverseString = (str) => [...str].reverse().join("");
Example usage:
reverseString("foobar"); // 'raboof'
Summary
Congratulations! You have completed the Reverse String lab. You can practice more labs in LabEx to improve your skills.