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.
Using the Switch Statement with Logical Operators

Using the Switch Statement with Logical Operators

14
Comments 6
2 min read
Of a Higher Order - Map, Filter, Reduce

Of a Higher Order - Map, Filter, Reduce

13
Comments 1
7 min read
The HTML5 template element.

The HTML5 template element.

24
Comments
6 min read
Destructuring por índices

Destructuring por índices

3
Comments
1 min read
Nestjs, External EventBus

Nestjs, External EventBus

25
Comments 1
2 min read
Implement Theming in React

Implement Theming in React

8
Comments
3 min read
How to send Django form with AJAX

How to send Django form with AJAX

61
Comments 7
4 min read
A portfolio template made with Gatsby

A portfolio template made with Gatsby

4
Comments
1 min read
Same Origin Policy & CORS

Same Origin Policy & CORS

6
Comments
3 min read
asteroid game extension for vscode

asteroid game extension for vscode

5
Comments 1
1 min read
Three Ways to Retrieve JSON from the Web using Node.js

Three Ways to Retrieve JSON from the Web using Node.js

60
Comments 7
5 min read
NextJS vs GatsbyJS - What's the diff?

NextJS vs GatsbyJS - What's the diff?

85
Comments 8
6 min read
Understanding TypeScript Generics

Understanding TypeScript Generics

12
Comments
3 min read
CSS: Carregando CSS de forma assíncrona

CSS: Carregando CSS de forma assíncrona

10
Comments 1
5 min read
JavaScript Basics

JavaScript Basics

11
Comments
4 min read
I am a professional React developer, and I recently performed a code review of a stranger's code. Here's what I got.

I am a professional React developer, and I recently performed a code review of a stranger's code. Here's what I got.

78
Comments 22
1 min read
💾 Getting Sqlite running with await/async and expressjs/polkajs

💾 Getting Sqlite running with await/async and expressjs/polkajs

54
Comments 4
7 min read
Meetups as a tool to break a creative block

Meetups as a tool to break a creative block

7
Comments
2 min read
Asynchronous with Redux Sagas

Asynchronous with Redux Sagas

84
Comments 5
11 min read
Expresiones Regulares

Expresiones Regulares

12
Comments
12 min read
7 Reasons Why JavaScript Async/Await Is Better Than Plain Promises (Tutorial)

7 Reasons Why JavaScript Async/Await Is Better Than Plain Promises (Tutorial)

699
Comments 28
6 min read
Hoisting - One of the trickiest Javascript features

Hoisting - One of the trickiest Javascript features

10
Comments
7 min read
BxJS Weekly Episode 76 - javascript news podcast 40:37

BxJS Weekly Episode 76 - javascript news podcast

22
Comments 1
3 min read
Reusing React UI Components

Reusing React UI Components

41
Comments 1
4 min read
Safe Node.js file operations with fp-ts

Safe Node.js file operations with fp-ts

13
Comments
4 min read
Do you "Really" know JavaScript?

Do you "Really" know JavaScript?

7
Comments 2
1 min read
Understanding Microtasks and tasks in JS

Understanding Microtasks and tasks in JS

11
Comments 3
2 min read
What happens when you IndexOf an empty string?

What happens when you IndexOf an empty string?

11
Comments 8
2 min read
6 Tools for Documenting Your React Components Like a Pro

6 Tools for Documenting Your React Components Like a Pro

84
Comments 5
6 min read
An Intro to Redux that you can understand

An Intro to Redux that you can understand

274
Comments 9
3 min read
Generating Arrays in JS

Generating Arrays in JS

47
Comments 1
6 min read
Shamir's Secret Sharing Scheme in JavaScript

Shamir's Secret Sharing Scheme in JavaScript

20
Comments 3
2 min read
5 JavaScript Books I Regret Not Reading as a Code Newbie

5 JavaScript Books I Regret Not Reading as a Code Newbie

255
Comments 4
5 min read
The First Dedicated IDE for React Web Applications is Finally Here - ReacTide 3.0 Beta

The First Dedicated IDE for React Web Applications is Finally Here - ReacTide 3.0 Beta

127
Comments 32
2 min read
Using jQuery in 2019

Using jQuery in 2019

54
Comments 1
11 min read
Beginner's guide to JavaScript arrays [PART 1]

Beginner's guide to JavaScript arrays [PART 1]

79
Comments 7
4 min read
Reach Router - An Easy Alternative Way to React Router

Reach Router - An Easy Alternative Way to React Router

24
Comments 7
3 min read
Is JavaScript Dominating the Dev World?

Is JavaScript Dominating the Dev World?

9
Comments 12
1 min read
JS&Friends Conf: Pros & Cons of Vue vs React - Milu Franz

JS&Friends Conf: Pros & Cons of Vue vs React - Milu Franz

12
Comments
3 min read
Secure Your Node.js Application With JSON Web Token

Secure Your Node.js Application With JSON Web Token

166
Comments 13
5 min read
What the heck is a unit? How do I test it? 🍏🍎

What the heck is a unit? How do I test it? 🍏🍎

28
Comments 3
4 min read
Stacks and Queues in JS with es6 classes and Array

Stacks and Queues in JS with es6 classes and Array

13
Comments 6
2 min read
Default values while Destructuring in JavaScript

Default values while Destructuring in JavaScript

11
Comments
2 min read
My First Dev Conference: JavaScript & Friends

My First Dev Conference: JavaScript & Friends

6
Comments
3 min read
JS&Friends Conf: Test Them JavaScripts - Rob Tarr

JS&Friends Conf: Test Them JavaScripts - Rob Tarr

4
Comments
2 min read
Objects for mapping

Objects for mapping

8
Comments
2 min read
Why do you like or dislike React?

Why do you like or dislike React?

15
Comments 15
1 min read
Calculating the Possible Rubik's Cube Combos

Calculating the Possible Rubik's Cube Combos

4
Comments
2 min read
Building a Personal Blog

Building a Personal Blog

48
Comments 9
7 min read
Learn how to Deploy NestJS serverless apps to Azure Functions

Learn how to Deploy NestJS serverless apps to Azure Functions

56
Comments 1
6 min read
Prototypal inheritance - A Trip back in time

Prototypal inheritance - A Trip back in time

27
Comments
2 min read
Building A Todo API With NEST-JS And JS Data Structure To Persist Data - 1

Building A Todo API With NEST-JS And JS Data Structure To Persist Data - 1

12
Comments 1
7 min read
Starting Over: And That's Ok

Starting Over: And That's Ok

9
Comments
2 min read
Start using memoization to reduce computing time in Javascript

Start using memoization to reduce computing time in Javascript

49
Comments 5
4 min read
Setting Up Webpack For A JavaScript Library

Setting Up Webpack For A JavaScript Library

18
Comments 1
3 min read
Back to Basics - JavaScript Closures

Back to Basics - JavaScript Closures

107
Comments 7
2 min read
How to convert an array into an object in javascript

How to convert an array into an object in javascript

174
Comments 33
2 min read
To Semicolon, Or Not To Semicolon;

To Semicolon, Or Not To Semicolon;

56
Comments 18
7 min read
The Problem with Promises in JavaScript

The Problem with Promises in JavaScript

66
Comments 6
6 min read
5 Easy Hacks in Becoming a Better Developer

5 Easy Hacks in Becoming a Better Developer

86
Comments 4
3 min read
loading...