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.
Saving Halloween 2020 with Azure Maps and Candy Caches

Saving Halloween 2020 with Azure Maps and Candy Caches

20
Comments 7
6 min read
Use Caasy.io to build a personal blog with your DEV articles

Use Caasy.io to build a personal blog with your DEV articles

27
Comments 6
2 min read
Using Promise.all with Async/Await to get data from multiple endpoints

Using Promise.all with Async/Await to get data from multiple endpoints

40
Comments 4
2 min read
An Easy Explanation to Prototypal Delegation in JavaScript

An Easy Explanation to Prototypal Delegation in JavaScript

67
Comments 1
4 min read
HELLO ERRORS MY OLD FRIEND

HELLO ERRORS MY OLD FRIEND

7
Comments 2
4 min read
Remove backgrounds from images in seconds with remove.bg [Week 42/20 in Review]

Remove backgrounds from images in seconds with remove.bg [Week 42/20 in Review]

9
Comments 3
5 min read
👩‍💻 React JS - BEST GUIDE for Beginners! (part 1)

👩‍💻 React JS - BEST GUIDE for Beginners! (part 1)

30
Comments
5 min read
Answering Common Questions about SolidJS

Answering Common Questions about SolidJS

37
Comments 1
5 min read
Create a new Node.js project and work with packages

Create a new Node.js project and work with packages

32
Comments
4 min read
Why is Gatsby JS Good for Google Rankings?

Why is Gatsby JS Good for Google Rankings?

5
Comments
10 min read
Sidegig project: Art Prints

Sidegig project: Art Prints

5
Comments 1
1 min read
Node.js - Usando WebSockets

Node.js - Usando WebSockets

10
Comments
3 min read
Learnings from migrating Atlaskit to TypeScript

Learnings from migrating Atlaskit to TypeScript

4
Comments
4 min read
How to Build a SMS-Powered Survey System with Reshuffle Open Source

How to Build a SMS-Powered Survey System with Reshuffle Open Source

22
Comments
4 min read
In React, component controls you!

In React, component controls you!

29
Comments 10
5 min read
Node.js - Funções Generators Assíncronas e Websockets

Node.js - Funções Generators Assíncronas e Websockets

7
Comments
4 min read
Interview Prep: Remove the Nth Node From the End Of A Singly Linked List

Interview Prep: Remove the Nth Node From the End Of A Singly Linked List

6
Comments
6 min read
Error Tracking in Chrome Extensions

Error Tracking in Chrome Extensions

11
Comments
5 min read
Build an Instagram Clone With React.Js, Next.Js, and Bootstrap5 in 35 mins

Build an Instagram Clone With React.Js, Next.Js, and Bootstrap5 in 35 mins

111
Comments 2
5 min read
Are you preparing for your next frontend interview?

Are you preparing for your next frontend interview?

38
Comments 1
1 min read
Convert number to reversed array of digits with JavaScript

Convert number to reversed array of digits with JavaScript

3
Comments
1 min read
Framer Motion - beautiful animations and interactions for React. 🤤

Framer Motion - beautiful animations and interactions for React. 🤤

207
Comments 6
9 min read
Creating a JavaScript promise from scratch, Part 4: Promise.resolve() and Promise.reject()

Creating a JavaScript promise from scratch, Part 4: Promise.resolve() and Promise.reject()

8
Comments
6 min read
A Quick Look At Hoisting in JavaScript

A Quick Look At Hoisting in JavaScript

19
Comments 2
1 min read
30+ Github Repos for JavaScript Developers

30+ Github Repos for JavaScript Developers

703
Comments 2
3 min read
Guide: Testing Redux Connected Components with React Testing Library and Jest

Guide: Testing Redux Connected Components with React Testing Library and Jest

19
Comments 1
4 min read
A poc password manager (no database)

A poc password manager (no database)

2
Comments
1 min read
Managing state with React Context

Managing state with React Context

203
Comments 6
4 min read
Starting Small

Starting Small

2
Comments
1 min read
How to get the [ IP, location ...etc ] of anyone visit your site in React/JavaScript

How to get the [ IP, location ...etc ] of anyone visit your site in React/JavaScript

25
Comments
1 min read
Announcing npm7

Announcing npm7

279
Comments 13
3 min read
Vue 3 - Breaking changes, New features & steps to Upgrade from Vue 2 to Vue 3

Vue 3 - Breaking changes, New features & steps to Upgrade from Vue 2 to Vue 3

12
Comments
2 min read
React Data Table ⚛️ with Material UI and a Spark of Joy 😛

React Data Table ⚛️ with Material UI and a Spark of Joy 😛

162
Comments
14 min read
Selling Refactoring

Selling Refactoring

3
Comments
3 min read
Using some(), every() and Object.values to check values from within an object

Using some(), every() and Object.values to check values from within an object

18
Comments
1 min read
Javascript: The Difference Between .slice and .splice

Javascript: The Difference Between .slice and .splice

6
Comments
4 min read
Making SetTimeout Async Friendly

Making SetTimeout Async Friendly

14
Comments 1
1 min read
Refactoring: Code Comments for API Reusability

Refactoring: Code Comments for API Reusability

9
Comments
2 min read
Avoiding impossible state with TypeScript

Avoiding impossible state with TypeScript

6
Comments
6 min read
Filter method in JS

Filter method in JS

6
Comments
1 min read
A Quick Look at the map() Method in JavaScript

A Quick Look at the map() Method in JavaScript

9
Comments 1
1 min read
The setTimeout() method in JavaScript

The setTimeout() method in JavaScript

11
Comments
1 min read
Pt: 3 Needles to Nuxt: Building a Website for a Tooth and Nail Tattoos

Pt: 3 Needles to Nuxt: Building a Website for a Tooth and Nail Tattoos

3
Comments 2
2 min read
Pro tips for setting up a React Native project in 2020

Pro tips for setting up a React Native project in 2020

9
Comments 1
6 min read
The Easiest Concept Between a ‘Library’ and a ‘Framework’

The Easiest Concept Between a ‘Library’ and a ‘Framework’

2
Comments
3 min read
Make Your First Instagram Filter With JavaScript

Make Your First Instagram Filter With JavaScript

7
Comments
6 min read
How to shuffle an array in JavaScript

How to shuffle an array in JavaScript

89
Comments 11
2 min read
Action Cable Configuration & Subscriptions in Rails

Action Cable Configuration & Subscriptions in Rails

23
Comments
14 min read
Setting up Social Logins(Google + Microsoft) with Node.js and Passport.js

Setting up Social Logins(Google + Microsoft) with Node.js and Passport.js

447
Comments 13
6 min read
A Quick Look at the sort() Array Method in JavaScript

A Quick Look at the sort() Array Method in JavaScript

5
Comments
1 min read
Turn Objects into arrays

Turn Objects into arrays

9
Comments
1 min read
Wanna sort() things out in JavaScript ?

Wanna sort() things out in JavaScript ?

5
Comments
3 min read
React Fundamentals: Creating Custom Components

React Fundamentals: Creating Custom Components

13
Comments
8 min read
Lets talk TypeScript

Lets talk TypeScript

11
Comments
14 min read
Build File Upload/Download Functionality with Image Preview using MERN stack

Build File Upload/Download Functionality with Image Preview using MERN stack

255
Comments 40
20 min read
Binary Search Trees

Binary Search Trees

4
Comments
1 min read
[1] JavaScript Data Types

[1] JavaScript Data Types

9
Comments
2 min read
Change Background-color Dynamically

Change Background-color Dynamically

16
Comments
2 min read
Creating a very simple URL Shortner using Express & Firebase.

Creating a very simple URL Shortner using Express & Firebase.

5
Comments
7 min read
Switching to cypress-testing-library

Switching to cypress-testing-library

8
Comments
1 min read
loading...