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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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Recursion in 5 Minutes (with examples)

Recursion in 5 Minutes (with examples)

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3 min read
More about function in JS

More about function in JS

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4 min read
Image Harvest v1.0.2: Internationalization, Free Pro Trial & Quality-of-Life Improvements

Image Harvest v1.0.2: Internationalization, Free Pro Trial & Quality-of-Life Improvements

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3 min read
Unix timestamps explained — converting, formatting, and avoiding the common mistakes

Unix timestamps explained — converting, formatting, and avoiding the common mistakes

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6 min read
I Built a 4-Sided Plot Area Calculator with 2D & 3D Visualization

I Built a 4-Sided Plot Area Calculator with 2D & 3D Visualization

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1 min read
The Stale Closure Bug That Haunted My Chat App

The Stale Closure Bug That Haunted My Chat App

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3 min read
Why I Built 200+ Niche Calculators Instead of One "Smart" Calculator

Why I Built 200+ Niche Calculators Instead of One "Smart" Calculator

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3 min read
I built a 3KB alternative to replace zxcvbn (389KB) without detection loss

I built a 3KB alternative to replace zxcvbn (389KB) without detection loss

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3 min read
Top 25 React Interview Questions and Answers for 2026

Top 25 React Interview Questions and Answers for 2026

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2 min read
使用 fetch 从后端下载文件,并通过浏览器自动触发保存。

使用 fetch 从后端下载文件,并通过浏览器自动触发保存。

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1 min read
OpenAI Codex now finishes 85% of scoped tasks. Here is the /goal workflow that gets you there.

OpenAI Codex now finishes 85% of scoped tasks. Here is the /goal workflow that gets you there.

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7 min read
Debugging the 0.2%: When Node.js Code Fails on Alternative Runtimes

Debugging the 0.2%: When Node.js Code Fails on Alternative Runtimes

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4 min read
Why I stopped hardcoding AI API keys in my frontend

Why I stopped hardcoding AI API keys in my frontend

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4 min read
Frontend System Design: Designing a Collaborative Whiteboard

Frontend System Design: Designing a Collaborative Whiteboard

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14 min read
I built a Chrome extension that explains your console errors in plain English

I built a Chrome extension that explains your console errors in plain English

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8 min read
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