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🔧 Objects vs Primitives: JS Interview Cheatsheet  with Traps, and Boxing Explained


Nachrichtenbereich: 🔧 Programmierung
🔗 Quelle: dev.to

“Why can you call .toUpperCase() on a string, but can't add a custom property to it?”

This question is used in interviews to check your understanding of primitives and objects in JavaScript.

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