JavaScript Testing with Jest – Crash Course
Learn how to test JavaScript code using the Jest testing framework. Jest is a JavaScript testing framework designed to ensure correctness of any JavaScript codebase. It allows you to write tests with an approachable, familiar and feature-rich API that gives you results quickly.
✏️ Course developed by @Code With Tomi
❤️ Try interactive JavaScript courses we love, right in your browser: https://scrimba.com/freeCodeCamp-JavaScript (Made possible by a grant from our friends at Scrimba)
⭐️ Contents ⭐️
00:00 Intro
00:45 Setting Up Jest
06:22 Basic Concepts In Jest
15:31 Matchers
33:21 Testing As…
Watch on YouTube ↗
(saves to browser)
Chapters (7)
Intro
0:45
Setting Up Jest
6:22
Basic Concepts In Jest
15:31
Matchers
33:21
Testing Asynchronous Code
49:48
Mock Functions and Spies
1:00:20
Outro
Playlist
Uploads from freeCodeCamp.org · freeCodeCamp.org · 0 of 60
← Previous
Next →
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
![Python Automation Tutorial – How to Automate Tasks for Beginners [Full Course]](https://i.ytimg.com/vi/s8XjEuplx_U/mqdefault.jpg)
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
Deploy 12 apps to AWS, Azure, & Google Cloud
freeCodeCamp.org
Reinforcement Learning Course: Intro to Advanced Actor Critic Methods
freeCodeCamp.org
How does the internet work? (Full Course)
freeCodeCamp.org
Code a Dictionary with React and Material UI - Tutorial
freeCodeCamp.org
Graph Algorithms for Technical Interviews - Full Course
freeCodeCamp.org
HTML Tutorial - Website Crash Course for Beginners
freeCodeCamp.org
Google Cloud Digital Leader Certification Course - Pass the Exam!
freeCodeCamp.org
Advanced OpenGL - Crash Course
freeCodeCamp.org
FastAPI Course for Beginners
freeCodeCamp.org
Google Sheets - Full Course
freeCodeCamp.org
Python Django and Google APIs - Project Tutorial
freeCodeCamp.org
Java Native Interface (28-Hour Course)
freeCodeCamp.org
Learn How to Code - Programming for Beginners Tutorial with Python and C#
freeCodeCamp.org
Android Programming Course - Kotlin, Jetpack Compose UI, Graph Data Structures & Algorithms
freeCodeCamp.org
Code a Discord Chat Bot That Talks Like Your Favorite Character - Tutorial
freeCodeCamp.org
Machine Learning Course for Beginners
freeCodeCamp.org
Selenium Course for Beginners - Web Scraping Bots, Browser Automation, Testing (Tutorial)
freeCodeCamp.org
Figma Course - Web Design Tutorial for Beginners
freeCodeCamp.org
Vue.js Course for Beginners
freeCodeCamp.org
Data Structures and Algorithms in Python - Full Course for Beginners
freeCodeCamp.org
Solidity, Blockchain, and Smart Contract Course – Beginner to Expert Python Tutorial
freeCodeCamp.org
Linux Essentials for Ethical Hackers - Full InfoSec Course
freeCodeCamp.org
Gatsby Static Site Generator Tutorial
freeCodeCamp.org
Django For Everybody - Full Python University Course
freeCodeCamp.org
Python Automation Tutorial – How to Automate Tasks for Beginners [Full Course]
freeCodeCamp.org
R Shiny for Data Science Tutorial – Build Interactive Data-Driven Web Apps
freeCodeCamp.org
Natural Language Processing with spaCy & Python - Course for Beginners
freeCodeCamp.org
HTML & CSS Project Tutorial - Build a Recipes Website
freeCodeCamp.org
Git for Professionals Tutorial - Tools & Concepts for Mastering Version Control with Git
freeCodeCamp.org
TensorFlow for Computer Vision Course - Full Python Tutorial for Beginners
freeCodeCamp.org
HashiCorp Terraform Associate Certification Course - Pass the Exam!
freeCodeCamp.org
AWS VPC Beginner to Pro - Virtual Private Cloud Tutorial
freeCodeCamp.org
Object Oriented Programming with Python - Full Course for Beginners
freeCodeCamp.org
Node.js / Express Course - Build 4 Projects
freeCodeCamp.org
Binary Tree Algorithms for Technical Interviews - Full Course
freeCodeCamp.org
TensorFlow Lite for Edge Devices - Tutorial
freeCodeCamp.org
Angular Tutorial for Beginners - Web Framework with Typescript Course
freeCodeCamp.org
Unreal Engine & C++ Tutorial - Endless Runner Game 🏃🏽♀️
freeCodeCamp.org
Android App Development Tutorial for Beginners - Your First App
freeCodeCamp.org
Django Tutorial - Create a Digital Resume with a Python Backend
freeCodeCamp.org
Learn React by Building an eCommerce Site - Tutorial
freeCodeCamp.org
JavaScript Tutorial - PuzzleCam Game
freeCodeCamp.org
Python API Development - Comprehensive Course for Beginners
freeCodeCamp.org
The 50 Most Popular Linux & Terminal Commands - Full Course for Beginners
freeCodeCamp.org
Web Applications for Everybody Course - Dr. Chuck Teaches HTML, PHP, SQL, CSS, JavaScript, and more!
freeCodeCamp.org
Code a Squid Game JavaScript Game Using Three.js - Tutorial for Beginners
freeCodeCamp.org
Micro-Frontends Course - Beginner to Expert
freeCodeCamp.org
Unreal Engine & C++ Tutorial - 1st Person Shooter Game
freeCodeCamp.org
C++ Programming Tutorial - Build a 3-Band Compressor Audio Plugin (w/ JUCE Framework)
freeCodeCamp.org
Infrastructure as Code - Crash Course
freeCodeCamp.org
AWS Certified Cloud Practitioner Certification Course (CLF-C01) - Pass the Exam!
freeCodeCamp.org
Advanced Git Tutorial - Interactive Rebase, Cherry-Picking, Reflog, Submodules and more
freeCodeCamp.org
Learn ASP.NET Core MVC (.NET 6) - Full Course
freeCodeCamp.org
Feature Toggles - Why and How to Add to Your Software
freeCodeCamp.org
Data Analysis with Python for Excel Users - Full Course
freeCodeCamp.org
NoSQL Database Tutorial – Full Course for Beginners
freeCodeCamp.org
Rust Programming Course for Beginners - Tutorial
freeCodeCamp.org
Razor Pages for ASP.NET Core - Full Course (.NET 6)
freeCodeCamp.org
The Business of Building Apps - App Product Management Course for Developers
freeCodeCamp.org
Bootstrap CSS Framework - Full Course for Beginners
freeCodeCamp.org
DeepCamp AI