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TCMHACK

#Frontend Development | TCMHACK

#Frontend Development

4 articles

JavaScript

Jan 28, 2026

React 19 + Next.js 15: The “No-Memo” Future

React 19 and Next.js 15 are here. Discover how the React Compiler is making useMemo and useCallback obsolete for a cleaner, faster developer experience.

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JavaScript

Jan 25, 2026

JavaScript globalThis: The Easy Guide to Accessing the Global Object

No more window vs. global! Learn how globalThis provides a unified way to access the global object across all JavaScript environments.

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How To

Jan 18, 2026

Shadow DOM in JavaScript: A Complete Guide to Encapsulation

Learn how to use the Shadow DOM to encapsulate your web components. Explore Shadow Roots, style isolation, and open vs. closed modes with practical JS examples.

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AWS

Jan 17, 2026

AWS S3 file upload with progress bar using javascript sdk

Learn how to implement a seamless file upload system to AWS S3 using the JavaScript SDK. This step-by-step guide covers configuration, secure authentication, and adding a real-time progress bar to improve user experience.

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