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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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DEV·TV's first Community Spotlight

DEV·TV's first Community Spotlight

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2 min read
Under the Hood of JavaScript: Demystifying Hoisting, Objects, 'this', and the 'new' Keyword

Under the Hood of JavaScript: Demystifying Hoisting, Objects, 'this', and the 'new' Keyword

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9 min read
The first visit to an in-browser AI tool downloads about 50 MB before the first inference. Who pays for it?

The first visit to an in-browser AI tool downloads about 50 MB before the first inference. Who pays for it?

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3 min read
I Shipped a Fix. My Service Worker Kept Serving the Bug.

I Shipped a Fix. My Service Worker Kept Serving the Bug.

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6 min read
WebGPU vs WASM in onnxruntime-web: 1.4x to 9.4x faster on the same Mac, depending on the model

WebGPU vs WASM in onnxruntime-web: 1.4x to 9.4x faster on the same Mac, depending on the model

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3 min read
yarn.lock: you can't `sed` a graph

yarn.lock: you can't `sed` a graph

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10 min read
In-browser AI cold start: the 6 MB ONNX Runtime WASM took longer than the 44 MB model

In-browser AI cold start: the 6 MB ONNX Runtime WASM took longer than the 44 MB model

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3 min read
Building a Manifest V3 Lead Extractor: Architecture of the Lead Extraction Engine

Building a Manifest V3 Lead Extractor: Architecture of the Lead Extraction Engine

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2 min read
What Is the Simplest Frontend Framework for a Full-Stack Developer in 2026?

What Is the Simplest Frontend Framework for a Full-Stack Developer in 2026?

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7 min read
The spinner that kills the auth flash: a loading gate before every protected route

The spinner that kills the auth flash: a loading gate before every protected route

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3 min read
navigator.gpu exists, but requestAdapter() returns null: if (navigator.gpu) is not a WebGPU check

navigator.gpu exists, but requestAdapter() returns null: if (navigator.gpu) is not a WebGPU check

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3 min read
kill-port 3000 kills port 30001 on Windows, and other things I found in a 2-million-downloads-a-week package

kill-port 3000 kills port 30001 on Windows, and other things I found in a 2-million-downloads-a-week package

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5 min read
139 Free Business Tools, One Static Codebase: Inside the VisionQuantech Business Suite

139 Free Business Tools, One Static Codebase: Inside the VisionQuantech Business Suite

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2 min read
If Ultron surveyed modern cloud architecture, he’d delete online video converters first

If Ultron surveyed modern cloud architecture, he’d delete online video converters first

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1 min read
Vue watch vs watchEffect: The Complete Guide

Vue watch vs watchEffect: The Complete Guide

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12 min read
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