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.
Deploying NodeJS Application on Amazon EC2 using AWS CodePipeline.

Deploying NodeJS Application on Amazon EC2 using AWS CodePipeline.

27
Comments
6 min read
Extract characters from image using tesseract.js (OCR)

Extract characters from image using tesseract.js (OCR)

2
Comments 3
2 min read
Cookies - an immortal piece of Web

Cookies - an immortal piece of Web

4
Comments
5 min read
Higher Order Function Examples

Higher Order Function Examples

22
Comments 4
1 min read
How to reuse input elements in the form React

How to reuse input elements in the form React

10
Comments
1 min read
Next.JS ON MY OWN.

Next.JS ON MY OWN.

9
Comments
3 min read
Micro frontends with Feature Hub

Micro frontends with Feature Hub

6
Comments 1
4 min read
Force include classes in critical CSS

Force include classes in critical CSS

5
Comments
1 min read
6 formas de convertir un String en Array con Javascript

6 formas de convertir un String en Array con Javascript

48
Comments 2
3 min read
3 reasons why you should try Prisma, today!

3 reasons why you should try Prisma, today!

5
Comments
3 min read
New and Noteworthy Vue.js Open Source Projects. Part 1

New and Noteworthy Vue.js Open Source Projects. Part 1

16
Comments
6 min read
Generate Barcode in the Browser Javascript & Tailwind

Generate Barcode in the Browser Javascript & Tailwind

2
Comments
1 min read
Convert array to an object in JavaScript

Convert array to an object in JavaScript

3
Comments
1 min read
Extending React Standard Types to Allow for Children as a Function

Extending React Standard Types to Allow for Children as a Function

10
Comments
7 min read
10‌ ‌Crucial‌ ‌JavaScript‌ ‌Concepts‌ ‌Every‌ ‌Developer‌ ‌Should‌ ‌Know‌

10‌ ‌Crucial‌ ‌JavaScript‌ ‌Concepts‌ ‌Every‌ ‌Developer‌ ‌Should‌ ‌Know‌

9
Comments
4 min read
How to update an array state in React.Js

How to update an array state in React.Js

14
Comments 7
3 min read
FormGroup and FormBuilder in angular

FormGroup and FormBuilder in angular

7
Comments 2
2 min read
Low cost Dynamic Rendering with rendertron on Cloud Run

Low cost Dynamic Rendering with rendertron on Cloud Run

3
Comments 2
3 min read
Creating a database from scratch with Node.js - Day 17

Creating a database from scratch with Node.js - Day 17

10
Comments 2
1 min read
I updated by blog - CodePulse.blog is now TuomoKankaanpaa.com

I updated by blog - CodePulse.blog is now TuomoKankaanpaa.com

9
Comments 2
1 min read
End-To-End Testing Using Cypress

End-To-End Testing Using Cypress

14
Comments 2
10 min read
Vue Tutorial Part II: Build a Frontend Quiz App

Vue Tutorial Part II: Build a Frontend Quiz App

2
Comments
9 min read
jQuery and Javascript - Business and User Interface Logic Terminology

jQuery and Javascript - Business and User Interface Logic Terminology

6
Comments 5
2 min read
How I understood... javascript reduce method

How I understood... javascript reduce method

4
Comments 3
3 min read
What is Event Bubbling in JavaScript?

What is Event Bubbling in JavaScript?

52
Comments 5
2 min read
Vue 3 UI component library for 2021

Vue 3 UI component library for 2021

31
Comments 14
2 min read
Helper Functions for Assertions (Jest & Node.js)

Helper Functions for Assertions (Jest & Node.js)

6
Comments
3 min read
New money idea in HTML, CSS and ECMAScript

New money idea in HTML, CSS and ECMAScript

2
Comments 2
1 min read
10 ways to use the spread operator in JavaScript

10 ways to use the spread operator in JavaScript

237
Comments 16
6 min read
Learn the basics of Socket.io by making a Multiplayer Game

Learn the basics of Socket.io by making a Multiplayer Game

99
Comments 3
11 min read
5 npm Tips/Tricks You (Probably) Don't Know 🚀

5 npm Tips/Tricks You (Probably) Don't Know 🚀

142
Comments 4
3 min read
How To Use Redux Persist in React Native with Asyncstorage

How To Use Redux Persist in React Native with Asyncstorage

21
Comments
14 min read
Don't get stuck with out of date dependencies!

Don't get stuck with out of date dependencies!

17
Comments 4
1 min read
Top 5 most hearted animations and designs on codepen, whats under the hood ?

Top 5 most hearted animations and designs on codepen, whats under the hood ?

111
Comments 2
5 min read
The "Off" Click

The "Off" Click

21
Comments 3
4 min read
useUpdateEffect: useEffect that doesn't trigger on mount

useUpdateEffect: useEffect that doesn't trigger on mount

10
Comments
1 min read
Create Better Notifications For Your Web

Create Better Notifications For Your Web

54
Comments 4
2 min read
How to Customize Ant.design UI Library Variables.

How to Customize Ant.design UI Library Variables.

9
Comments
2 min read
Appwrite Releases a Native Svelte SDK for Its Open-Source BaaS

Appwrite Releases a Native Svelte SDK for Its Open-Source BaaS

22
Comments 1
3 min read
Plugin architecture with Meteor

Plugin architecture with Meteor

16
Comments 2
6 min read
Just Published an NPM Package 🔥

Just Published an NPM Package 🔥

14
Comments 6
1 min read
Building a 3D React Map Component Using Mapbox

Building a 3D React Map Component Using Mapbox

14
Comments
4 min read
Chrome DevTools: Increase Productivity with Snippets

Chrome DevTools: Increase Productivity with Snippets

8
Comments 3
2 min read
How Can Developers Save a Failing Project

How Can Developers Save a Failing Project

91
Comments 6
9 min read
🔐 Forked Codepen 64 Character Password generator up featuring alpha-numeric + special character encryption!

🔐 Forked Codepen 64 Character Password generator up featuring alpha-numeric + special character encryption!

14
Comments
1 min read
Accessible Image Compare — One Line of JavaScript

Accessible Image Compare — One Line of JavaScript

38
Comments 3
1 min read
Trying Out Electron JS

Trying Out Electron JS

10
Comments
5 min read
I've rebuilt my portfolio. Now it loads in less than 1 sec! Here's how I did it! ⚡

I've rebuilt my portfolio. Now it loads in less than 1 sec! Here's how I did it! ⚡

254
Comments 16
5 min read
Component driven development with Svelte

Component driven development with Svelte

11
Comments
3 min read
Error handling without try/catch blocks

Error handling without try/catch blocks

8
Comments
2 min read
🎮 Codepen Game: Wheel-of-Fortune Style Web App with pure HTML, CSS, & JS Fixed!

🎮 Codepen Game: Wheel-of-Fortune Style Web App with pure HTML, CSS, & JS Fixed!

4
Comments
1 min read
Additional Hooks in React - useReducer()

Additional Hooks in React - useReducer()

46
Comments
3 min read
TODO APP using HTML, CSS and JS - Local Storage [Interactivity - JavaScript]

TODO APP using HTML, CSS and JS - Local Storage [Interactivity - JavaScript]

49
Comments
6 min read
Eloquent JavaScript Review #Chapter1

Eloquent JavaScript Review #Chapter1

8
Comments
5 min read
Angular 12 and Beyond

Angular 12 and Beyond

2
Comments
2 min read
Distance and duration of you hiking trip

Distance and duration of you hiking trip

3
Comments
3 min read
How to Send a Custom Event to Google Analytics 4 Using JavaScript

How to Send a Custom Event to Google Analytics 4 Using JavaScript

15
Comments
3 min read
Why I think Jest is better than Mocha & Chai

Why I think Jest is better than Mocha & Chai

24
Comments 2
4 min read
Livestream Event: Build a REST API using Fastify & HarperDB

Livestream Event: Build a REST API using Fastify & HarperDB

35
Comments
3 min read
Cyclist coders please help!

Cyclist coders please help!

3
Comments
1 min read
loading...