JavaScript String Reversal | Programming Tutorials

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.

Skills Graph

%%%%{init: {'theme':'neutral'}}%%%% flowchart RL javascript(("`JavaScript`")) -.-> javascript/BasicConceptsGroup(["`Basic Concepts`"]) javascript(("`JavaScript`")) -.-> javascript/AdvancedConceptsGroup(["`Advanced Concepts`"]) javascript/BasicConceptsGroup -.-> javascript/variables("`Variables`") javascript/BasicConceptsGroup -.-> javascript/data_types("`Data Types`") javascript/BasicConceptsGroup -.-> javascript/arith_ops("`Arithmetic Operators`") javascript/BasicConceptsGroup -.-> javascript/comp_ops("`Comparison Operators`") javascript/AdvancedConceptsGroup -.-> javascript/spread_rest("`Spread and Rest Operators`") subgraph Lab Skills javascript/variables -.-> lab-28600{{"`Reverse String with JavaScript`"}} javascript/data_types -.-> lab-28600{{"`Reverse String with JavaScript`"}} javascript/arith_ops -.-> lab-28600{{"`Reverse String with JavaScript`"}} javascript/comp_ops -.-> lab-28600{{"`Reverse String with JavaScript`"}} javascript/spread_rest -.-> lab-28600{{"`Reverse String with JavaScript`"}} end

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.

Reverse String with JavaScript

Introduction

Skills Graph

Here's a function to reverse a string:

Summary

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