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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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Reverse-Engineering Microblog Media: Why Threads Videos Lose Audio and Bluesky CIDs Hide Raw 4K Photos

Reverse-Engineering Microblog Media: Why Threads Videos Lose Audio and Bluesky CIDs Hide Raw 4K Photos

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2 min read
Compress images in the browser before you upload them

Compress images in the browser before you upload them

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2 min read
How I Built a Free Website Planning & Preview Studio

How I Built a Free Website Planning & Preview Studio

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4 min read
Testing 56,000 browser games on the devices players actually use

Testing 56,000 browser games on the devices players actually use

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2 min read
Server-Side Rendering with React: A Practical JavaScript Guide

Server-Side Rendering with React: A Practical JavaScript Guide

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6 min read
Cloudflare Workers caching: store values, not in-flight promises

Cloudflare Workers caching: store values, not in-flight promises

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6 min read
Building a Chrome Extension That Compares UI Elements Across Pages

Building a Chrome Extension That Compares UI Elements Across Pages

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9 min read
Compare Tesco, Sainsbury's, Asda and Morrisons prices in 20 lines of JavaScript (plus Coles, Woolworths and ALDI)

Compare Tesco, Sainsbury's, Asda and Morrisons prices in 20 lines of JavaScript (plus Coles, Woolworths and ALDI)

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5 min read
Building MeasurePath: A Zero-Telemetry 2D/3D Construction Studio & Calculator Toolkit in Pure JS

Building MeasurePath: A Zero-Telemetry 2D/3D Construction Studio & Calculator Toolkit in Pure JS

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2 min read
When the user is busy, don't drop the UI action: a small replay queue in Node.js

When the user is busy, don't drop the UI action: a small replay queue in Node.js

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4 min read
I Asked Polymarket for 90 Days of Prices and Got 30. Coarser Points Got Me 462

I Asked Polymarket for 90 Days of Prices and Got 30. Coarser Points Got Me 462

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6 min read
How to pull SEC filings, insider trades and XBRL financials into your app in 5 minutes

How to pull SEC filings, insider trades and XBRL financials into your app in 5 minutes

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7 min read
A pure-white check for product photos: strict failed all 18 JPEGs, loose passed off-white

A pure-white check for product photos: strict failed all 18 JPEGs, loose passed off-white

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4 min read
I Built a Full-Stack Application — Here’s What I Learned Beyond Writing Code

I Built a Full-Stack Application — Here’s What I Learned Beyond Writing Code

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8 min read
Pillow, sharp or mozjpeg for a white-background product photo? Same quality, different stray pixels

Pillow, sharp or mozjpeg for a white-background product photo? Same quality, different stray pixels

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4 min read
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