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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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DOM Manipulation in JavaScript – Step by Step Guide
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DOM Manipulation in JavaScript – Step by Step Guide

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2 min read
Building Bulletproof Dropdown Click Handling in React

Building Bulletproof Dropdown Click Handling in React

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2 min read
Custom Form Builder for React Applications
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Custom Form Builder for React Applications

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4 min read
Node.js in 2026: Modern Practices You Should Be Using
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Node.js in 2026: Modern Practices You Should Be Using

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12 min read
Building a Type-Safe REST API Client with TypeScript Discriminated Unions

Building a Type-Safe REST API Client with TypeScript Discriminated Unions

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6 min read
Coding Challenge Practice - Question 98

Coding Challenge Practice - Question 98

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2 min read
I Built an All-in-One Node.js Scraper (ESM + CJS) - @heavstaltech/api

I Built an All-in-One Node.js Scraper (ESM + CJS) - @heavstaltech/api

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2 min read
Interactive Big O Notation Guide

Interactive Big O Notation Guide

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1 min read
Dockerizing an Angular SSR App for Production (Single Origin + /api Proxy + Working Transfer Cache)

Dockerizing an Angular SSR App for Production (Single Origin + /api Proxy + Working Transfer Cache)

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4 min read
Constructor Hell: Replacing Dependency Injection with Chain of Responsibility in Ruby
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Constructor Hell: Replacing Dependency Injection with Chain of Responsibility in Ruby

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7 min read
Teaching AI Agents to Batch React State Updates with ESLint

Teaching AI Agents to Batch React State Updates with ESLint

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11 min read
🤖 CodeMentor AI — An AI-Powered Code Review Tool
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🤖 CodeMentor AI — An AI-Powered Code Review Tool

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1 min read
Building Native Mobile Features with Capacitor and ionic-svelte in Svelte

Building Native Mobile Features with Capacitor and ionic-svelte in Svelte

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6 min read
Master Image Metadata: EXIF for AI Images, Privacy Protection & Photo Management

Master Image Metadata: EXIF for AI Images, Privacy Protection & Photo Management

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9 min read
Hands-on: Building Your Monorepo with Lerna and Yarn Workspaces
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Hands-on: Building Your Monorepo with Lerna and Yarn Workspaces

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2 min read
Build an Influencer Fake Follower Detector with Node.js

Build an Influencer Fake Follower Detector with Node.js

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8 min read
Structured Output Chaining in KaibanJS: Bridging LLM and Workflow Agents
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Structured Output Chaining in KaibanJS: Bridging LLM and Workflow Agents

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7 min read
Why most businesses don’t actually need a “unique” backend
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Why most businesses don’t actually need a “unique” backend

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7 min read
Build an AI-Powered Image API: Auto Alt-Text, Smart Crops & Content Moderation in 20 Minutes

Build an AI-Powered Image API: Auto Alt-Text, Smart Crops & Content Moderation in 20 Minutes

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12 min read
# Welcome to React World: Grasp the Fundamentals and Mental Model! (React Day 1)
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# Welcome to React World: Grasp the Fundamentals and Mental Model! (React Day 1)

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5 min read
How I Built an Interactive "Wiki-Killer" for Dragon Quest VII using Astro & Tailwind

How I Built an Interactive "Wiki-Killer" for Dragon Quest VII using Astro & Tailwind

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3 min read
Building Advanced Component Scaffolding with lomer-ui CLI in Svelte

Building Advanced Component Scaffolding with lomer-ui CLI in Svelte

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9 min read
Building Interactive Data Tables with AgnosUI in Svelte

Building Interactive Data Tables with AgnosUI in Svelte

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9 min read
Introducing HTTP Tracker Plus: Request Capture form Browser
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Introducing HTTP Tracker Plus: Request Capture form Browser

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1 min read
I indexed 13M places to calculate real metro populations. Turns out 34.6M people live within 30 miles of Tokyo.

I indexed 13M places to calculate real metro populations. Turns out 34.6M people live within 30 miles of Tokyo.

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5 min read
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