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.
🔐 Your Connection Is Not Private Error – Meaning, Causes, and Fixes

🔐 Your Connection Is Not Private Error – Meaning, Causes, and Fixes

2
Comments
3 min read
Site Editor rough Design

Site Editor rough Design

Comments
1 min read
Build your first agent in 5 minutes with Mastra

Build your first agent in 5 minutes with Mastra

32
Comments 3
8 min read
Boost Your Tech Career: A Practical Guide to Using AI for Skill Gap Analysis

Boost Your Tech Career: A Practical Guide to Using AI for Skill Gap Analysis

5
Comments
2 min read
10 Must-Know Free Websites for Web Developers 🚀

10 Must-Know Free Websites for Web Developers 🚀

1
Comments
3 min read
Level Up as a Developer: Using AI to Spot and Close Your Coding Skill Gaps

Level Up as a Developer: Using AI to Spot and Close Your Coding Skill Gaps

7
Comments
2 min read
Optimizing React Performance With Memoization and Code Splitting

Optimizing React Performance With Memoization and Code Splitting

2
Comments
2 min read
🚀 Building an AI-Powered Backend with Node.js + Groq for IdeaLens

🚀 Building an AI-Powered Backend with Node.js + Groq for IdeaLens

Comments
3 min read
Criando um aplicativo de segurança para mulheres: precisamos de programadores para transformar essa ideia em realidade"

Criando um aplicativo de segurança para mulheres: precisamos de programadores para transformar essa ideia em realidade"

Comments
1 min read
Function Currying and Partial Application

Function Currying and Partial Application

30
Comments 7
4 min read
How I Reduced My React Bundle Size by 30% (With Real Examples)

How I Reduced My React Bundle Size by 30% (With Real Examples)

21
Comments 4
6 min read
Liquid vs Hydrogen: What Shopify Devs Should Know in 2025

Liquid vs Hydrogen: What Shopify Devs Should Know in 2025

1
Comments
2 min read
You can reduce the size of web applications several times using these tips 🔥

You can reduce the size of web applications several times using these tips 🔥

119
Comments 10
6 min read
You might not need Websockets

You might not need Websockets

Comments
9 min read
Exploring Promises: .all vs .allSettled / .race vs .any

Exploring Promises: .all vs .allSettled / .race vs .any

2
Comments
4 min read
JS includes(), slice(), concat(), trim(), split() string methods.

JS includes(), slice(), concat(), trim(), split() string methods.

1
Comments
1 min read
How to Create a Custom File Input With Preview Using HTML, CSS, and JavaScript

How to Create a Custom File Input With Preview Using HTML, CSS, and JavaScript

Comments
2 min read
Interfaces en Angular: Definición, Uso y Buenas Prácticas

Interfaces en Angular: Definición, Uso y Buenas Prácticas

Comments
3 min read
A Beginner’s Guide to Getting Started with Prompt Templates in LangChain JavaScript

A Beginner’s Guide to Getting Started with Prompt Templates in LangChain JavaScript

Comments
10 min read
Integrating Angular's httpResource with HttpInterceptors

Integrating Angular's httpResource with HttpInterceptors

14
Comments
5 min read
The 6 Best Video Editors Every YouTuber Needs to Know About in 2025

The 6 Best Video Editors Every YouTuber Needs to Know About in 2025

Comments
2 min read
Is JavaScript Still Worth Learning in 2025? A Developer’s Take

Is JavaScript Still Worth Learning in 2025? A Developer’s Take

20
Comments 9
5 min read
JavaScript Obfuscator – Secure Your Code with ToolXPro JS Obfuscator

JavaScript Obfuscator – Secure Your Code with ToolXPro JS Obfuscator

1
Comments
3 min read
The Secret to High-Performance Websites: Speed, SEO, and User Experience:

The Secret to High-Performance Websites: Speed, SEO, and User Experience:

Comments
1 min read
GraphQL in 2025: What It Is, Why It Matters, and Whether You Should Bother Learning It

GraphQL in 2025: What It Is, Why It Matters, and Whether You Should Bother Learning It

2
Comments 2
3 min read
loading...