58 articles about Programming, newest first.
Do you still need to learn JavaScript deeply in 2026? Learn which JavaScript fundamentals still matter in the age of AI, TypeScript, React, and AI coding agents.
Object construction methods in JavaScript
Theoretical foundations of Object-Oriented Programming in JavaScript
DRY, KISS, YAGNI and SOLID principles.
Prototype and Inheritance in JavaScript
Map and Set in JavaScript
WeakMap and WeakSet in JavaScript
Heap vs Stack in JavaScript Memory
Memory Management in JavaScript (Garbage Collection)
What is CORS and why is it important in web development?
ES Modules in the browser (type="module", defer, nomodule)
Import and Export in depth: Named, Default, Dynamic Import
Tree-shaking and Code Splitting in Module System
Module Bundlers: Why We Need Them (Webpack, Rollup, Parcel)
Combining CommonJS and ES Modules in Node.js
ES Modules․ import և export modern in JavaScript.
CommonJS Modules․ require and module.exports
What is a module in JavaScript and why is it important?
IIFE (Immediately Invoked Function Expressions) – Why was this needed and why we hardly use it now
Spread vs Rest operators – how and when to use them
Object Destructuring – how to simplify code
How Promises work, why async/await is more readable
Scope, Closure and Lexical Environment
How the JavaScript Event Loop Works
In this article, we will explore how closures work in async code.
Although closures are a powerful tool, they can sometimes cause memory leaks.
Closure is a very important and powerful concept in JavaScript.
this and bind/apply/call methods in object context in JavaScript
Object property descriptors in JavaScript (writable, enumerable, configurable)
Different ways to create objects in JavaScript
Object.create() vs class syntax in JavaScript
Mutable and Immutable Array Methods in JavaScript — What's the Difference?
Array Iteration Performance in JavaScript — Which Method is Fastest?
Custom methods for arrays (Array.prototype override)
Sparse Arrays in JavaScript (open arrays)
Details, examples, practice
Details, examples, practice
Object in JavaScript
Details, examples, practice
Details, examples, practice
The map() method in JavaScript is a tool for creating a new array.
Details, examples, practice
Fundamentals, Methods
Symbol in JavaScript: Special and unique values.
BigInt in JavaScript: The new standard for integers
JavaScript Types: The Complete Guide
Null in JavaScript — Concept, Function, and Usage
Undefined in JavaScript — Concept, Work, and Usage
Boolean Values in JavaScript — Truthy and Falsy Values
What is Closure in JavaScript.