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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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I Built a Voice Widget That Fills Any HTML Form — Here’s How

I Built a Voice Widget That Fills Any HTML Form — Here’s How

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4 min read
Mastering the 'any' Type in TypeScript: When to Use It, and When to Avoid It

Mastering the 'any' Type in TypeScript: When to Use It, and When to Avoid It

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2 min read
How I Moved a React Component Across the DOM Without Losing Its State — A Checkout Story

How I Moved a React Component Across the DOM Without Losing Its State — A Checkout Story

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5 min read
How I Built a Side-by-Side Font Comparison Tool (And Accidentally Learned Way Too Much About Browser APIs)

How I Built a Side-by-Side Font Comparison Tool (And Accidentally Learned Way Too Much About Browser APIs)

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4 min read
How I Bypassed YouTube Music’s CSP to Stop Those Annoying "Video Paused" Popups

How I Bypassed YouTube Music’s CSP to Stop Those Annoying "Video Paused" Popups

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2 min read
How to build a paid MCP tool that AI agents pay to use

How to build a paid MCP tool that AI agents pay to use

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5 min read
How I Built a WCAG Contrast Checker in 50 Lines of JavaScript.

How I Built a WCAG Contrast Checker in 50 Lines of JavaScript.

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3 min read
I Built a Tiny Tool So I'd Stop Emailing .env Files to Myself

I Built a Tiny Tool So I'd Stop Emailing .env Files to Myself

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2 min read
Execution Context in JavaScript

Execution Context in JavaScript

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2 min read
JWT Security Best Practices 2026: Stop Making These Mistakes

JWT Security Best Practices 2026: Stop Making These Mistakes

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6 min read
Chrome 144 Just Shipped the Temporal API. Here Are 7 Date Library Patterns It Replaces With Native Code.

Chrome 144 Just Shipped the Temporal API. Here Are 7 Date Library Patterns It Replaces With Native Code.

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3 min read
Build a Visual Regression Testing Pipeline in Under 50 Lines

Build a Visual Regression Testing Pipeline in Under 50 Lines

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3 min read
Understanding Event Phases in the DOM

Understanding Event Phases in the DOM

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4 min read
Javascript Question of the Day #19 [Talk::Overflow]

Javascript Question of the Day #19 [Talk::Overflow]

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3 min read
I got surprised by a GitHub Actions quota. Built a tool to make sure it never happens again, here's how I built it

I got surprised by a GitHub Actions quota. Built a tool to make sure it never happens again, here's how I built it

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3 min read
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