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.
I fine-tuned my model on a new programming language. You can do it too! 🚀

I fine-tuned my model on a new programming language. You can do it too! 🚀

256
Comments 20
4 min read
How to have AI onboard your users (Next.js, OpenAI, CopilotKit)

How to have AI onboard your users (Next.js, OpenAI, CopilotKit)

244
Comments 20
11 min read
Deep Dive into Functional Programming in Javascript

Deep Dive into Functional Programming in Javascript

124
Comments 18
8 min read
Best Icon Libraries for a Dev in 2024

Best Icon Libraries for a Dev in 2024

94
Comments 13
11 min read
Building a self-creating website with Supabase and AI

Building a self-creating website with Supabase and AI

83
Comments
16 min read
How To Make An Insanely Fast AI App (Supabase, LLAMA 3 and Groq)

How To Make An Insanely Fast AI App (Supabase, LLAMA 3 and Groq)

78
Comments 1
4 min read
Video encoded as emojis⁉️ Stored in a DB? 😱🤯

Video encoded as emojis⁉️ Stored in a DB? 😱🤯

74
Comments 14
9 min read
Creating a Pokémon guessing game using Supabase, Drizzle, and Next.js in just 2 hours!

Creating a Pokémon guessing game using Supabase, Drizzle, and Next.js in just 2 hours!

73
Comments
6 min read
Optimising React Apps

Optimising React Apps

64
Comments
22 min read
20 Free Api For Your Next Project

20 Free Api For Your Next Project

57
Comments 15
2 min read
What is CI/CD Pipelines: A Crucial Skill for Every Software Engineer🔥

What is CI/CD Pipelines: A Crucial Skill for Every Software Engineer🔥

51
Comments 10
3 min read
How to build dev.to In-App Notification System in 20 minutes

How to build dev.to In-App Notification System in 20 minutes

47
Comments 5
14 min read
Big O Notation: A Simple Explanation With Examples

Big O Notation: A Simple Explanation With Examples

32
Comments 7
15 min read
New Web Portfolio 16bit OS Style

New Web Portfolio 16bit OS Style

31
Comments 14
1 min read
Publish Your Articles on Medium with NodeJS

Publish Your Articles on Medium with NodeJS

28
Comments 1
5 min read
What are Classes and How to Use Them in JavaScript ? 🤔🤔

What are Classes and How to Use Them in JavaScript ? 🤔🤔

24
Comments 9
2 min read
How I built a Markdown Rendered Blog using Supabase and Chakra UI

How I built a Markdown Rendered Blog using Supabase and Chakra UI

21
Comments
9 min read
New to the dev community

New to the dev community

20
Comments 15
1 min read
tsconfig.json: The Hidden Hero of Your TypeScript Adventure

tsconfig.json: The Hidden Hero of Your TypeScript Adventure

20
Comments 4
4 min read
An intro to TSConfig for JavaScript Developers

An intro to TSConfig for JavaScript Developers

20
Comments 2
6 min read
Tired of Typescript? Check out ReScript!

Tired of Typescript? Check out ReScript!

18
Comments 15
6 min read
How I keep my ExpressJS & React apps fast with server-side caching

How I keep my ExpressJS & React apps fast with server-side caching

16
Comments 3
15 min read
What is React Hydration?

What is React Hydration?

16
Comments
3 min read
How to implement rate limit in your server app?

How to implement rate limit in your server app?

16
Comments
3 min read
What is a Plugin Ecosystem and Why Does It Matter?

What is a Plugin Ecosystem and Why Does It Matter?

15
Comments 1
3 min read
WHAT FRAMEWORKS DO BIG COMPANIES USE 🤔

WHAT FRAMEWORKS DO BIG COMPANIES USE 🤔

14
Comments 4
2 min read
JavaScript Designs — Observer Pattern

JavaScript Designs — Observer Pattern

14
Comments 1
4 min read
I REDESIGNED A WEBSITE FOR MICHEAL ( SCRIPT ROBOT STUDIOS )

I REDESIGNED A WEBSITE FOR MICHEAL ( SCRIPT ROBOT STUDIOS )

14
Comments 2
4 min read
NodeJS 22 is Live

NodeJS 22 is Live

13
Comments 8
2 min read
9 differences between IndexedDB and LocalStorage

9 differences between IndexedDB and LocalStorage

13
Comments 1
6 min read
Unraveling Macrotasks and Microtasks in JavaScript: What Every Developer Should Know

Unraveling Macrotasks and Microtasks in JavaScript: What Every Developer Should Know

13
Comments
12 min read
BEST 👍 TOOLS FOR BEST 👍 PRODUCTIVITY

BEST 👍 TOOLS FOR BEST 👍 PRODUCTIVITY

12
Comments 5
2 min read
<self-close /> or <not-to-self-close></not-to-self-close>

<self-close /> or <not-to-self-close></not-to-self-close>

12
Comments 9
2 min read
Customer service pages for e-commerce built with Tailwind CSS

Customer service pages for e-commerce built with Tailwind CSS

11
Comments
2 min read
Node.js PM2 Orchestration Explained

Node.js PM2 Orchestration Explained

11
Comments 5
4 min read
How to Replay any request in Chrome 📤 🔄 📤

How to Replay any request in Chrome 📤 🔄 📤

10
Comments
2 min read
Tracetest + Artillery Launch Week Recap 💥

Tracetest + Artillery Launch Week Recap 💥

10
Comments
3 min read
Public Speaking is so addictive

Public Speaking is so addictive

10
Comments 2
1 min read
Quick tips for Frontend Challenge

Quick tips for Frontend Challenge

9
Comments
2 min read
A deep dive into progressive web apps (PWA)

A deep dive into progressive web apps (PWA)

9
Comments 1
10 min read
🎉🌿 Back to Frontend Fundamentals: JavaScript Building Blocks

🎉🌿 Back to Frontend Fundamentals: JavaScript Building Blocks

9
Comments 1
4 min read
Submission - Glam Up My Markup: Earth Day Celebration Landing Page

Submission - Glam Up My Markup: Earth Day Celebration Landing Page

7
Comments 3
2 min read
JavaScript Event Loop Explained in 1 minute.

JavaScript Event Loop Explained in 1 minute.

7
Comments 1
2 min read
Tratando erros em promisse

Tratando erros em promisse

7
Comments 1
8 min read
Hot module replacement (HMR) in AdonisJS

Hot module replacement (HMR) in AdonisJS

6
Comments
9 min read
Day 4 of JavaScript

Day 4 of JavaScript

6
Comments 6
2 min read
🎭 XSS Exposed: The Good, the Bad, and the Ugly! 🧑‍💻

🎭 XSS Exposed: The Good, the Bad, and the Ugly! 🧑‍💻

5
Comments
2 min read
Traditional crawler or AI-assisted crawler? How to choose?

Traditional crawler or AI-assisted crawler? How to choose?

5
Comments
9 min read
Creating a React and Typescript app with Webpack

Creating a React and Typescript app with Webpack

5
Comments
2 min read
How I Use AI to Build Any Type of APIs ✨

How I Use AI to Build Any Type of APIs ✨

5
Comments
2 min read
10+ Beauty and Cosmetics E-Commerce Website Templates

10+ Beauty and Cosmetics E-Commerce Website Templates

5
Comments
3 min read
Learn React in 30 minutes

Learn React in 30 minutes

5
Comments
1 min read
My first international conference🚀

My first international conference🚀

5
Comments
1 min read
Var, Let and Const

Var, Let and Const

5
Comments
1 min read
Understanding Reconciliation in ReactJs - Keeping the Virtual DOM and the Real DOM in Sync.

Understanding Reconciliation in ReactJs - Keeping the Virtual DOM and the Real DOM in Sync.

5
Comments
2 min read
Google Authentication in Nodejs using Passport and Google Oauth

Google Authentication in Nodejs using Passport and Google Oauth

5
Comments
5 min read
Earth Day Frontend Challenge

Earth Day Frontend Challenge

5
Comments 4
1 min read
A KEYBOARD USING JUST HTML AND CSS

A KEYBOARD USING JUST HTML AND CSS

5
Comments
1 min read
Building an Investor List App with Novu and Supabase

Building an Investor List App with Novu and Supabase

5
Comments 3
16 min read
JavaScript Lexical Scope Explained shortly

JavaScript Lexical Scope Explained shortly

5
Comments
2 min read
loading...