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.
React: Understanding Key Prop

React: Understanding Key Prop

10
Comments
4 min read
How to learn html,css and JavaScript easily.

How to learn html,css and JavaScript easily.

8
Comments 6
2 min read
Open Source Adventures: Episode 42: Projecting Russian Personnel Losses

Open Source Adventures: Episode 42: Projecting Russian Personnel Losses

5
Comments
4 min read
Target Learning

Target Learning

6
Comments
3 min read
Demystifying 'this' keyword in JS

Demystifying 'this' keyword in JS

9
Comments
3 min read
What is Variable? How to declare? and Legal and Illegal variables declaration in JavaScript?

What is Variable? How to declare? and Legal and Illegal variables declaration in JavaScript?

8
Comments
1 min read
React v18: Why useEffect suddenly go crazy?

React v18: Why useEffect suddenly go crazy?

19
Comments
3 min read
Understanding JavaScript and origin.

Understanding JavaScript and origin.

8
Comments 1
5 min read
Load JavaScript optimally by utilizing defer.

Load JavaScript optimally by utilizing defer.

15
Comments
4 min read
TypeScript for Beginners

TypeScript for Beginners

39
Comments 2
10 min read
Let's Talk About Hooks - Part 1 (useState and useEffect)

Let's Talk About Hooks - Part 1 (useState and useEffect)

5
Comments
9 min read
How to build a dynamically resizable textarea?

How to build a dynamically resizable textarea?

25
Comments 2
2 min read
React: Using native dialogs to make a modal popup

React: Using native dialogs to make a modal popup

30
Comments 6
5 min read
Insertion Sort

Insertion Sort

6
Comments
1 min read
News Archiver

News Archiver

7
Comments
2 min read
Using Cache with JavaScript examples

Using Cache with JavaScript examples

25
Comments
2 min read
I made a VSCode extension

I made a VSCode extension

33
Comments 10
1 min read
Connect a Webflow Form to an Airtable Database

Connect a Webflow Form to an Airtable Database

4
Comments
1 min read
React Three Fiber and NextJS Starter Template

React Three Fiber and NextJS Starter Template

97
Comments 4
7 min read
What tools/frameworks do you use for styling you web app?

What tools/frameworks do you use for styling you web app?

16
Comments 56
1 min read
Solution for problem with useState and eventHandlers

Solution for problem with useState and eventHandlers

12
Comments 4
1 min read
My First Web App!

My First Web App!

6
Comments
9 min read
#20: Deploy with SWA CLI

#20: Deploy with SWA CLI

11
Comments
6 min read
Bubble Sort

Bubble Sort

6
Comments
1 min read
Transitioning Component Between Pages in Vue.js

Transitioning Component Between Pages in Vue.js

7
Comments
3 min read
Que es un contexto en React

Que es un contexto en React

10
Comments
2 min read
6 Free Best TypeScript Tutorials For Beginners in 2023

6 Free Best TypeScript Tutorials For Beginners in 2023

8
Comments
5 min read
Happy wheels - interesting and attractive game

Happy wheels - interesting and attractive game

4
Comments
1 min read
Simple Snake Game -Written In Svelte

Simple Snake Game -Written In Svelte

9
Comments 5
1 min read
🎉 After 2 years I finally finished my portfolio🎉

🎉 After 2 years I finally finished my portfolio🎉

16
Comments 15
2 min read
Entendendo a diferença entre null e undefined em Javascript

Entendendo a diferença entre null e undefined em Javascript

13
Comments
3 min read
await, then, return?

await, then, return?

10
Comments 5
1 min read
#45 - Persistent Bugger - Codewars Kata (6 kyu)

#45 - Persistent Bugger - Codewars Kata (6 kyu)

12
Comments
2 min read
🙅🏽‍♂️ Don't use AWAIT inside FOREACH

🙅🏽‍♂️ Don't use AWAIT inside FOREACH

11
Comments
3 min read
NestJs e Typeorm: Recuperando a entidade pelo parâmetro de rota

NestJs e Typeorm: Recuperando a entidade pelo parâmetro de rota

9
Comments
4 min read
How to find length of string in Solidity, from the smart contract of ens

How to find length of string in Solidity, from the smart contract of ens

9
Comments
4 min read
Data types conversion in JavaScript

Data types conversion in JavaScript

12
Comments
2 min read
React Error Boundaries

React Error Boundaries

8
Comments
2 min read
11 Major Mistakes That Can Lead to a Software Engineer Getting Fired

11 Major Mistakes That Can Lead to a Software Engineer Getting Fired

9
Comments 6
6 min read
Getting Started with ElectronJS

Getting Started with ElectronJS

8
Comments
5 min read
how to host MERN Stack Project on share hosting?

how to host MERN Stack Project on share hosting?

8
Comments 4
1 min read
Eazy Way to, How to Fetch API using JavaScript..🎇

Eazy Way to, How to Fetch API using JavaScript..🎇

11
Comments
1 min read
Creating Custom File Drag and Drop Component

Creating Custom File Drag and Drop Component

11
Comments 2
2 min read
Need of package.lock.json ?and npm clean install

Need of package.lock.json ?and npm clean install

7
Comments
3 min read
Is it worth developing MERN Stack Template ?

Is it worth developing MERN Stack Template ?

14
Comments 13
1 min read
Content Security Policy Nightmare

Content Security Policy Nightmare

6
Comments
2 min read
Packaging Reusable Code for Micro-services (NodeJS)

Packaging Reusable Code for Micro-services (NodeJS)

10
Comments
5 min read
A Brief History of JavaScript

A Brief History of JavaScript

23
Comments 2
4 min read
Our open-source project got funded!

Our open-source project got funded!

267
Comments 36
2 min read
Open Source Adventures: Episode 40: Svelte Stores for Russian Losses App

Open Source Adventures: Episode 40: Svelte Stores for Russian Losses App

6
Comments
3 min read
Common JavaScript interview questions

Common JavaScript interview questions

7
Comments
7 min read
Open Source Adventures: Episode 39: Loss Percentage Axis for Russian Losses App

Open Source Adventures: Episode 39: Loss Percentage Axis for Russian Losses App

5
Comments
3 min read
Animação com react-native-reanimated

Animação com react-native-reanimated

7
Comments
2 min read
Serverless Application is not as secure as you might think!

Serverless Application is not as secure as you might think!

8
Comments
5 min read
Custom Slide-Out Menu Component: Populated with Dynamic Component Data, and Styled with Angular Animations & SCSS

Custom Slide-Out Menu Component: Populated with Dynamic Component Data, and Styled with Angular Animations & SCSS

13
Comments
9 min read
How To Loop Over An Object In Javascript

How To Loop Over An Object In Javascript

9
Comments
1 min read
What are Template Literals in JavaScript

What are Template Literals in JavaScript

8
Comments 1
2 min read
Let's Learn

Let's Learn

7
Comments
8 min read
React Router Dom v6

React Router Dom v6

13
Comments 2
5 min read
Console.log and his Ninja Pals 🥷

Console.log and his Ninja Pals 🥷

7
Comments
3 min read
loading...