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JavaScript

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Beginner~25 min

Orientation to types, interfaces, generics, and utility types for modern JavaScript projects. Course content is still expanding.

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npm Node.js JavaScript

npm vs npx: When to Install and When to Run

npm installs and manages packages. npx runs package binaries, fetching one when necessary. Confusing persistence with execution creates global clutter; treating…

Jul 16, 20265 min read

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Performance Web Vitals JavaScript

Optimizing Web Vitals: INP Performance

Google officially replaced First Input Delay (FID) with Interaction to Next Paint (INP) as a Core Web Vitals metric. While FID measured only the delay before th…

Aug 3, 20269 min read

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