Optimized tool selectionHere are concise explanations for each concept in JavaScript:
In JavaScript, almost every object has a hidden property called [[Prototype]] (accessible in most browsers via proto).
A closure is a function that "remembers" the scope where it was created, allowing it to access variables from its parent function even after the parent has finished execution.
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Covers: Prototypes & this · Event Loop & Concurrency · Memory & Performance
CORS stands for Cross-Origin Resource Sharing. It is a security mechanism implemented by web browsers to prevent a malicious website from accessing data from another website without permission.
In TypeScript, these three types represent different levels of "restriction." Understanding the difference is crucial for maintaining type safety while handling dynamic data.
