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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!

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CORS Policy Explained: Why Cross-Origin Errors Happen and How to Fix Them

CORS Policy Explained: Why Cross-Origin Errors Happen and How to Fix Them

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2 min read
Code editor

Code editor

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1 min read
ES6 Rest Parameters: Handling Function Arguments the Smart Way

ES6 Rest Parameters: Handling Function Arguments the Smart Way

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2 min read
Spin up a License Key API on new Railway Functions In Less Than Two Minutes!

Spin up a License Key API on new Railway Functions In Less Than Two Minutes!

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3 min read
🚀 Mastering Service Workers Without the Headache: Meet SW Builder

🚀 Mastering Service Workers Without the Headache: Meet SW Builder

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3 min read
Simplifying React Hooks: useState 💯

Simplifying React Hooks: useState 💯

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3 min read
Introduction to Redsys Integration with Next.js 15

Introduction to Redsys Integration with Next.js 15

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5 min read
Create a Website in Moldova: Key Steps for Success

Create a Website in Moldova: Key Steps for Success

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1 min read
Top 10 AI Tools Transforming Software Quality Assurance

Top 10 AI Tools Transforming Software Quality Assurance

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7 min read
The Hidden Cost of Third-Party Libraries: When 'Don't Reinvent the Wheel' Goes Wrong

The Hidden Cost of Third-Party Libraries: When 'Don't Reinvent the Wheel' Goes Wrong

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3 min read
JavaScript Date Objects: Basics and Time Zone Adjustments

JavaScript Date Objects: Basics and Time Zone Adjustments

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4 min read
Implement Dark Mode in Tailwind v4.0 + React 🌙

Implement Dark Mode in Tailwind v4.0 + React 🌙

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1 min read
Simple in-memory database in JS

Simple in-memory database in JS

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1 min read
First & Last Operators: Getting Started with RxJS - V

First & Last Operators: Getting Started with RxJS - V

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3 min read
Understanding Iterables, Iterators, and Their Role in JavaScript

Understanding Iterables, Iterators, and Their Role in JavaScript

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3 min read
Best Practices for Returning API Responses in Express.js Controllers

Best Practices for Returning API Responses in Express.js Controllers

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4 min read
Hot vs Cold Observables: Getting Started with RxJS - IV

Hot vs Cold Observables: Getting Started with RxJS - IV

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3 min read
Building a Chip-8 Emulator in JavaScript – A Beginner-Friendly Tutorial Series

Building a Chip-8 Emulator in JavaScript – A Beginner-Friendly Tutorial Series

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1 min read
🚀 Understanding V8 JIT: How JavaScript Gets Compiled and Optimized

🚀 Understanding V8 JIT: How JavaScript Gets Compiled and Optimized

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1 min read
Call/Pass by Value & Call/Pass by Reference in Js

Call/Pass by Value & Call/Pass by Reference in Js

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4 min read
What are Higher Order Functions in Javascript

What are Higher Order Functions in Javascript

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3 min read
BroadcastChannel API: A Hidden Gem for Web Developers

BroadcastChannel API: A Hidden Gem for Web Developers

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3 min read
Reactive Component Hot Reloading with State Preservation

Reactive Component Hot Reloading with State Preservation

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3 min read
JavaScript Made Easy: Understanding Basics, Control Flow, and Loops

JavaScript Made Easy: Understanding Basics, Control Flow, and Loops

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6 min read
Day 1/100: Exploring Frontend Storage 🖥️

Day 1/100: Exploring Frontend Storage 🖥️

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1 min read
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