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.
visibilitychange: Ever wondered how your browser knows when you leave a tab?

visibilitychange: Ever wondered how your browser knows when you leave a tab?

Comments
2 min read
My First JavaScript Project: What I Learned (and What I Did Wrong)

My First JavaScript Project: What I Learned (and What I Did Wrong)

7
Comments 2
1 min read
Master Shopify Theme Development with JavaScript: Build Real Features Step-by-Step

Master Shopify Theme Development with JavaScript: Build Real Features Step-by-Step

4
Comments 1
2 min read
Shallow Copy vs Deep Copy in JavaScript — Quick and Clear explanation

Shallow Copy vs Deep Copy in JavaScript — Quick and Clear explanation

3
Comments
2 min read
Coding Challenge Practice - Question 46

Coding Challenge Practice - Question 46

Comments
1 min read
💻 *How to Learn Programming in 1 Year – Step by Step* 📝✨

💻 *How to Learn Programming in 1 Year – Step by Step* 📝✨

5
Comments
1 min read
File based queries with tanstack start

File based queries with tanstack start

5
Comments
7 min read
Bloom Filters, Favicon Spies, and NPM's 90-Day Clock

Bloom Filters, Favicon Spies, and NPM's 90-Day Clock

1
Comments
3 min read
Tic Tac Toe Game with HTML, CSS & JavaScript — Live Demo + Source Code

Tic Tac Toe Game with HTML, CSS & JavaScript — Live Demo + Source Code

5
Comments
3 min read
Using Mastra to create an AI agent goal planner for Telex.im

Using Mastra to create an AI agent goal planner for Telex.im

Comments
1 min read
How I Built a Unified Calendar Dashboard with Next.js, Vercel Edge Functions & No Database

How I Built a Unified Calendar Dashboard with Next.js, Vercel Edge Functions & No Database

5
Comments
3 min read
Java hashCode() Explained: Why, How, and When to Use It

Java hashCode() Explained: Why, How, and When to Use It

Comments
6 min read
The Hard-Coded Crash: A Story of Dynamic Heap Allocation in Node.js

The Hard-Coded Crash: A Story of Dynamic Heap Allocation in Node.js

5
Comments 4
6 min read
Episode 1: Arrays — The Hidden Logic Behind How Your Code Remembers

Episode 1: Arrays — The Hidden Logic Behind How Your Code Remembers

1
Comments
6 min read
Setting Up Testing for My CLI Tool

Setting Up Testing for My CLI Tool

2
Comments
3 min read
HTTPS in 4 lines of HCL

HTTPS in 4 lines of HCL

Comments
1 min read
Temporal Dead Zone in JavaScript

Temporal Dead Zone in JavaScript

7
Comments
3 min read
🚀 AWS Amplify + Next.js

🚀 AWS Amplify + Next.js

Comments
3 min read
Motiva Agent — My AI Motivation Buddy Built with Mastra

Motiva Agent — My AI Motivation Buddy Built with Mastra

Comments
2 min read
Unified Create and Edit Form With NextJS

Unified Create and Edit Form With NextJS

3
Comments 3
10 min read
Advanced Beginner’s guide to ClojureScript

Advanced Beginner’s guide to ClojureScript

6
Comments
5 min read
The Complete 2026 Tech Stack: From Mobile Devices to Smart Home Automation

The Complete 2026 Tech Stack: From Mobile Devices to Smart Home Automation

4
Comments
5 min read
Coding Challenge Practice - Question 45

Coding Challenge Practice - Question 45

Comments
1 min read
So I make stuff.

So I make stuff.

Comments
1 min read
Building a Task Tracker Agent for Telex.im: My HNG Stage 3 Journey

Building a Task Tracker Agent for Telex.im: My HNG Stage 3 Journey

Comments
6 min read
loading...