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.
Array.reduce() for newbies

Array.reduce() for newbies

22
Comments 6
4 min read
Build a website with Vapid CMS

Build a website with Vapid CMS

117
Comments 21
5 min read
Vanilla JavaScript draggable Mr Potato Head 🥔

Vanilla JavaScript draggable Mr Potato Head 🥔

57
Comments 15
3 min read
How to Debug CORS Errors

How to Debug CORS Errors

5
Comments
9 min read
Making my own Portfolio/Profile Website

Making my own Portfolio/Profile Website

4
Comments
1 min read
Build a Carousel with Slick

Build a Carousel with Slick

5
Comments
2 min read
Day 14 of 100DaysOfCode

Day 14 of 100DaysOfCode

4
Comments
1 min read
Evolution of Summon The JSON flashcards / card game

Evolution of Summon The JSON flashcards / card game

5
Comments 2
4 min read
Flash Code#1 Drag&Drop Component Using Vue.js

Flash Code#1 Drag&Drop Component Using Vue.js

5
Comments
2 min read
How to use Functions in JavaScript?

How to use Functions in JavaScript?

7
Comments
3 min read
console.log() - O seu melhor amigo!

console.log() - O seu melhor amigo!

6
Comments
3 min read
Take a Ten Minute Walk: A Codewars kata solution By Papan Sarkar

Take a Ten Minute Walk: A Codewars kata solution By Papan Sarkar

9
Comments 2
3 min read
Connecting AWS Lambda To A Postgres DB: Part 2

Connecting AWS Lambda To A Postgres DB: Part 2

6
Comments 3
9 min read
Introduction to creative coding with p5.js

Introduction to creative coding with p5.js

36
Comments 2
4 min read
Designing a Stars Rating program in vanilla JS

Designing a Stars Rating program in vanilla JS

15
Comments 2
3 min read
My Review of Kent C. Dodds's EpicReact.Dev: Introduction

My Review of Kent C. Dodds's EpicReact.Dev: Introduction

21
Comments 1
5 min read
Functional Programming in JS, part II - Immutability (Vanilla JS, Immutable.js and Immer)

Functional Programming in JS, part II - Immutability (Vanilla JS, Immutable.js and Immer)

20
Comments 2
11 min read
Vite Plugin for Vue 3 testing

Vite Plugin for Vue 3 testing

4
Comments
4 min read
A Node Email Service using AWS lambda

A Node Email Service using AWS lambda

71
Comments 2
5 min read
JS: variable && function()

JS: variable && function()

6
Comments 5
1 min read
Better Animations with this one FLIP`n trick

Better Animations with this one FLIP`n trick

27
Comments 3
4 min read
Node 12.19 is out what's new?

Node 12.19 is out what's new?

3
Comments
1 min read
Learning Svelte 4 | props & data flow

Learning Svelte 4 | props & data flow

4
Comments
3 min read
How did I make a Simple Interactive Circular Chart - 1

How did I make a Simple Interactive Circular Chart - 1

10
Comments
1 min read
5 useful tips about the JavaScript array sort method

5 useful tips about the JavaScript array sort method

17
Comments 2
6 min read
Product Card Component Through Web Components

Product Card Component Through Web Components

4
Comments
6 min read
How is Google so fast?

How is Google so fast?

8
Comments
8 min read
Node.js - Paralelismo limitado com Array.map

Node.js - Paralelismo limitado com Array.map

11
Comments
6 min read
A practical guide to web accessibility: Part 1: Is my website accessible?

A practical guide to web accessibility: Part 1: Is my website accessible?

15
Comments
2 min read
Managing your ReactJS application state with RxJS

Managing your ReactJS application state with RxJS

21
Comments
7 min read
my portfolio i need some feedback on it

my portfolio i need some feedback on it

2
Comments 3
1 min read
How to get started writing unit tests for React with jest and enzyme

How to get started writing unit tests for React with jest and enzyme

70
Comments 1
14 min read
Svelte now has an accessible drag and drop library

Svelte now has an accessible drag and drop library

48
Comments 1
3 min read
Generating Typescript Types from Postgres

Generating Typescript Types from Postgres

10
Comments 3
3 min read
Javascript and Rails Single Page Application ("SPA")

Javascript and Rails Single Page Application ("SPA")

10
Comments
4 min read
Building Azure Function Powered Video Chat

Building Azure Function Powered Video Chat

6
Comments 4
1 min read
#javascript Dizzle - CSS Selector Library

#javascript Dizzle - CSS Selector Library

7
Comments 3
1 min read
Building a Video Chat App, Part 1 - Setup

Building a Video Chat App, Part 1 - Setup

39
Comments 1
5 min read
Build an Express like app on AWS Lambda

Build an Express like app on AWS Lambda

12
Comments
11 min read
Summarize any text with “TLDR This” in a click [Week 40/20 in Review]

Summarize any text with “TLDR This” in a click [Week 40/20 in Review]

4
Comments
4 min read
By Popular Demand, Bubblegum.dev 🍬 is Live. Glycerin Levels Going Up.

By Popular Demand, Bubblegum.dev 🍬 is Live. Glycerin Levels Going Up.

2
Comments 2
1 min read
What actually is a "function" in JavaScript?

What actually is a "function" in JavaScript?

7
Comments
2 min read
How to use Socket.IO and build your first multiplayer game!

How to use Socket.IO and build your first multiplayer game!

96
Comments 18
6 min read
Custom Mouse Pointer using Javascript and CSS3

Custom Mouse Pointer using Javascript and CSS3

7
Comments
1 min read
React Jumpstart for the VueJS developer (Part 1)

React Jumpstart for the VueJS developer (Part 1)

6
Comments
6 min read
Emotion Tracker AI

Emotion Tracker AI

3
Comments 2
1 min read
Hard-Won Lessons Building Maintainable Web Applications

Hard-Won Lessons Building Maintainable Web Applications

3
Comments
4 min read
What is async/await in Javascript? Let's explain.

What is async/await in Javascript? Let's explain.

11
Comments
3 min read
Regular expressions, Eloquent Javascript

Regular expressions, Eloquent Javascript

7
Comments 2
1 min read
Is commercial support a viable way to open-source sustainability?

Is commercial support a viable way to open-source sustainability?

4
Comments
3 min read
Calculator using Javascript and CSS3

Calculator using Javascript and CSS3

3
Comments
1 min read
Creating React/Flask apps that connect to PostgreSQL and HarperDB

Creating React/Flask apps that connect to PostgreSQL and HarperDB

11
Comments
18 min read
tsParticles 1.18.0 released

tsParticles 1.18.0 released

6
Comments 3
4 min read
Mostly used RxJS Transformation Operators

Mostly used RxJS Transformation Operators

2
Comments
1 min read
Let's stop being stupid about security

Let's stop being stupid about security

5
Comments
4 min read
Dark Mode Toggle Using Tailwind CSS

Dark Mode Toggle Using Tailwind CSS

38
Comments 2
2 min read
Enhanced Code Splitting with Webpack 5

Enhanced Code Splitting with Webpack 5

5
Comments
2 min read
Why you should cancel your API calls in React ?

Why you should cancel your API calls in React ?

26
Comments 4
3 min read
Zero delay development & unit testing iterations

Zero delay development & unit testing iterations

11
Comments
4 min read
JavaScript - debounce vs throttle ⏱

JavaScript - debounce vs throttle ⏱

155
Comments 7
3 min read
loading...