#javascript

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Learn JS Series (#47) - Object Immutability: freeze, seal, preventExtensions What will I learn You will learn three levels of locking an object: preventExtensions, seal, and freeze; exactly what each one

Learn JS Series (#46) - Shallow vs Deep Copy, and structuredClone What will I learn You will learn precisely why copying nested objects is tricky: references, not values; the difference between a shallow

Learn JS Series (#45) - Object Methods: assign, keys, values, entries, fromEntries What will I learn You will learn the essential static Object methods for treating objects as data you can inspect and

Learn JS Series (#43) - Mixins: Sharing Behavior Without a Single Inheritance Line What will I learn You will learn what a mixin is: a bundle of behaviour you blend into objects or classes; why mixins

Learn JS Series (#42) - instanceof, isPrototypeOf, and Checking Types Honestly What will I learn You will learn how instanceof actually works: it walks the prototype chain; how isPrototypeOf asks the same

Learn JS Series (#41) - Private Fields (#) and True Encapsulation What will I learn You will learn the # syntax for genuinely private class fields and methods; how private fields differ from the old underscore

Learn JS Series (#40) - Static Members, Static Blocks, and Class-Level State What will I learn You will learn the difference between instance members and static members; how static methods and properties

Learn JS Series (#39) - Class Inheritance: extends, super, and the Prototype Chain Again What will I learn You will learn how extends sets up inheritance between classes; what super(...) does in a subclass

Learn JS Series (#36) - Object.create and Pure Prototypal Inheritance What will I learn You will learn to build inheritance directly with Object.create, no classes involved; how to chain prototypes so