DEV Community

JavaScript

Once relegated to the browser as one of the 3 core technologies of the web, JavaScript can now be found almost anywhere you find code. JavaScript developers move fast and push software development forward; they can be as opinionated as the frameworks they use, so let's keep it clean here and make it a place to learn from each other!

Posts

👋 Sign in for the ability to sort posts by relevant, latest, or top.
Javascript Object #9

Javascript Object #9

5
Comments
4 min read
Javascript Object #7

Javascript Object #7

12
Comments 4
2 min read
Building a Real-Time Chat App with Node.js and Socket.io

Building a Real-Time Chat App with Node.js and Socket.io

2
Comments
5 min read
Making Your NPM Package Executable

Making Your NPM Package Executable

12
Comments 1
4 min read
Javascript Object #6

Javascript Object #6

26
Comments 5
2 min read
The Beginner's Guide to Caching: How to Improve Code Performance

The Beginner's Guide to Caching: How to Improve Code Performance

Comments
3 min read
Getting Started with Bootstrap Testing

Getting Started with Bootstrap Testing

1
Comments
22 min read
You Need to Know About Pure Functions & Impure Functions in JavaScript

You Need to Know About Pure Functions & Impure Functions in JavaScript

142
Comments 49
5 min read
5 Cool Chat GPT Project Ideas Any Developer Can Build!

5 Cool Chat GPT Project Ideas Any Developer Can Build!

5
Comments
3 min read
how to create post like this cover photo with below code?

how to create post like this cover photo with below code?

Comments
2 min read
Understanding ID Token vs. Access Token in AWS Amplify

Understanding ID Token vs. Access Token in AWS Amplify

15
Comments 6
3 min read
React Series: React Component

React Series: React Component

4
Comments
2 min read
How to Build Your First GitHub App with JavaScript and GitHub API: Easy and Fast

How to Build Your First GitHub App with JavaScript and GitHub API: Easy and Fast

43
Comments 2
2 min read
How Authentication and Authorization Work for SPAs

How Authentication and Authorization Work for SPAs

7
Comments
13 min read
Code-Along: Implementing 'Search By Criteria' Functionality with React, Formik, and Flask-SQLAlchemy

Code-Along: Implementing 'Search By Criteria' Functionality with React, Formik, and Flask-SQLAlchemy

2
Comments
11 min read
Signals Sub-RFC 3 — New Angular Reactive Approach or a Path to Confusion?

Signals Sub-RFC 3 — New Angular Reactive Approach or a Path to Confusion?

6
Comments 2
3 min read
I need help 😵‍💫 with a 🚨coding problem. I can't seems to get it to console log the string...😩 Am I missing something here? 🤔🧐

I need help 😵‍💫 with a 🚨coding problem. I can't seems to get it to console log the string...😩 Am I missing something here? 🤔🧐

Comments 1
1 min read
🚫 Stop using SWITCH, please 🙏

🚫 Stop using SWITCH, please 🙏

64
Comments 50
3 min read
Buildless workflow through import maps (featuring Lit, Shoelace and more)

Buildless workflow through import maps (featuring Lit, Shoelace and more)

6
Comments
4 min read
Apity: A typed HTTP client for Svelte(Kit)

Apity: A typed HTTP client for Svelte(Kit)

5
Comments 2
6 min read
Creating a browser extension that generates strong passwords!💪

Creating a browser extension that generates strong passwords!💪

Comments
4 min read
How I optimized my game by adding a stupid clock

How I optimized my game by adding a stupid clock

Comments
3 min read
[Tutorial] Full-stack app with ChatGPT API, React and Node

[Tutorial] Full-stack app with ChatGPT API, React and Node

Comments
11 min read
Revolutionize Your React App with Redux: A Beginner's Guide to Simplifying State Management(PART 2)

Revolutionize Your React App with Redux: A Beginner's Guide to Simplifying State Management(PART 2)

2
Comments 2
5 min read
Launch of The Most Requested Youtube Channel Related To Web Development

Launch of The Most Requested Youtube Channel Related To Web Development

6
Comments 2
1 min read
Code Challenge Tutorial

Code Challenge Tutorial

2
Comments 1
11 min read
Asset(Image/Video) Picker with javascript(react/nextjs) on button click

Asset(Image/Video) Picker with javascript(react/nextjs) on button click

1
Comments
6 min read
Desvendando Closure Javascript

Desvendando Closure Javascript

10
Comments
6 min read
LeetCode - Count of Smaller Numbers After Self

LeetCode - Count of Smaller Numbers After Self

1
Comments
8 min read
LeetCode - Reverse Nodes in k-Group

LeetCode - Reverse Nodes in k-Group

1
Comments
5 min read
10+ Open-Source Projects For Web Developers In 2023

10+ Open-Source Projects For Web Developers In 2023

18
Comments 3
7 min read
Independent and flexible: Why Vanilla JavaScript is the best choice for developers to learn

Independent and flexible: Why Vanilla JavaScript is the best choice for developers to learn

3
Comments
2 min read
How to Write a GraphQL Query

How to Write a GraphQL Query

2
Comments
8 min read
Javascript: on clone des robots !

Javascript: on clone des robots !

1
Comments
5 min read
Weekly web development resources #144

Weekly web development resources #144

5
Comments 3
2 min read
The Mysterious ‘this’

The Mysterious ‘this’

Comments
4 min read
My First JavaScript Practice: Building a Drum Kit

My First JavaScript Practice: Building a Drum Kit

11
Comments 4
5 min read
Resolvendo problemas no HackerRank: Modificando números Kaprekar.

Resolvendo problemas no HackerRank: Modificando números Kaprekar.

2
Comments
2 min read
The Advantages of Error-First Callbacks in Node.js

The Advantages of Error-First Callbacks in Node.js

3
Comments
5 min read
Introduction to serverless databases with faunadb and python

Introduction to serverless databases with faunadb and python

2
Comments
6 min read
TypeScript 5.0: new mode bundler & ESM

TypeScript 5.0: new mode bundler & ESM

31
Comments 2
4 min read
JavaScript || (Logical OR) vs ?? (Nullish Coalescing)

JavaScript || (Logical OR) vs ?? (Nullish Coalescing)

Comments
1 min read
Minimum Window Substring | JavaScript

Minimum Window Substring | JavaScript

3
Comments
3 min read
How to refresh-token

How to refresh-token

24
Comments 3
3 min read
Automation of API Testing using CodeParrot

Automation of API Testing using CodeParrot

Comments 1
2 min read
Javascript scope and closure

Javascript scope and closure

2
Comments 2
1 min read
custom cancel component call with react-toastify

custom cancel component call with react-toastify

2
Comments
1 min read
🎒 localStorage or 🍪 cookies : What's the difference?

🎒 localStorage or 🍪 cookies : What's the difference?

4
Comments 1
2 min read
The OOP Fight : JavaScript Vs TypeScript

The OOP Fight : JavaScript Vs TypeScript

1
Comments
19 min read
Coding Backwards

Coding Backwards

Comments
5 min read
Hoisting In Javascript ( Part - 1 ):

Hoisting In Javascript ( Part - 1 ):

1
Comments
2 min read
Unlock the Power of Static Sites with Next.js: A Guide to Static Site Generation

Unlock the Power of Static Sites with Next.js: A Guide to Static Site Generation

14
Comments
5 min read
How to Build a Chrome Extension using React and Tailwindcss

How to Build a Chrome Extension using React and Tailwindcss

20
Comments 3
4 min read
Vue.js for Beginners #1

Vue.js for Beginners #1

6
Comments
10 min read
Using Axios in Node? Have a look at got

Using Axios in Node? Have a look at got

1
Comments
3 min read
Vue.js for Beginners #2

Vue.js for Beginners #2

10
Comments
14 min read
Episode 23/14: Signals RFC Distilled

Episode 23/14: Signals RFC Distilled

3
Comments
2 min read
12 helpful websites that will save you 100s of hours & change your life

12 helpful websites that will save you 100s of hours & change your life

17
Comments
3 min read
The Sliding Window Technique: A Powerful Algorithm for JavaScript Developers

The Sliding Window Technique: A Powerful Algorithm for JavaScript Developers

43
Comments 1
4 min read
Currying in Javascript

Currying in Javascript

Comments
1 min read
loading...