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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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React Router v7 Complete Guide (2026): Framework Mode, Loaders & Actions

React Router v7 Complete Guide (2026): Framework Mode, Loaders & Actions

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5 min read
Streaming Long AI Jobs to the Browser: SSE Patterns From Building an Audit Tool

Streaming Long AI Jobs to the Browser: SSE Patterns From Building an Audit Tool

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5 min read
CSS Animations Can't Pause. The Web Animations API Can.

CSS Animations Can't Pause. The Web Animations API Can.

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5 min read
Can UI Code Read Like the UI Itself?

Can UI Code Read Like the UI Itself?

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3 min read
7 Things That Break When You Convert a Web App to React Native

7 Things That Break When You Convert a Web App to React Native

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4 min read
JavaScript Proxy and Reflect: The Complete Guide

JavaScript Proxy and Reflect: The Complete Guide

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13 min read
5 React interview questions I'd actually ask (and how I'd answer them)

5 React interview questions I'd actually ask (and how I'd answer them)

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2 min read
A missing exchange rate is not an exchange rate of 1

Summer Bug Smash: Smash Stories 🐛🛹

A missing exchange rate is not an exchange rate of 1

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4 min read
You copy and reverse the array to find the last match. `findLast()` searches from the end directly.

You copy and reverse the array to find the last match. `findLast()` searches from the end directly.

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3 min read
A Cleaner Way to Access the Last Element of an Array in JavaScript

A Cleaner Way to Access the Last Element of an Array in JavaScript

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1 min read
Debugging Node.js Like a Pro

Debugging Node.js Like a Pro

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3 min read
A formula can be implemented perfectly and still give the wrong answer

A formula can be implemented perfectly and still give the wrong answer

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5 min read
Three things Indian finance code gets wrong (with the numbers)

Three things Indian finance code gets wrong (with the numbers)

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4 min read
Your birth time is lying to you: a time-zone rabbit hole in a Chinese astrology calculator

Clever TypeScript tricks for historical solar time

Your birth time is lying to you: a time-zone rabbit hole in a Chinese astrology calculator

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5 min read
I wrote the privacy rule, enforced it, commented it, and shipped the leak anyway

Summer Bug Smash: Smash Stories 🐛🛹

I wrote the privacy rule, enforced it, commented it, and shipped the leak anyway

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7 min read
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