The “const” Deception
Explains the difference between assignment and mutation in JavaScript's const keyword, clarifying why objects declared with const can still be modified.
Explains the difference between assignment and mutation in JavaScript's const keyword, clarifying why objects declared with const can still be modified.
A comprehensive guide to the null value in JavaScript, covering its meaning, detection, differences from undefined, and usage pitfalls.
Explains the concepts of mutability and immutability in JavaScript, covering primitive vs. reference types and how to create immutable objects.
Explains boolean values in JavaScript and TypeScript, including truthy/falsy values, the Boolean function, and TypeScript's boolean type.
A guide to JavaScript's well-known symbols, explaining their unique properties and how to use them to define custom object behavior.