AbdurCodes

This post provides an overview of primitive types and reference types in programming, highlighting their characteristics, differences, and use cases. Understanding these two categories is crucial for effective programming, as they impact memory management, performance, and the behavior of variables in various programming languages. 🧱 Primitive Types Primitive types are the basic building blocks of data in JavaScript. They hold simple and fixed values , and are stored directly in memory . ✅ Key Characteristics: Stored by value Immutable (cannot be changed) Fast and lightweight Compared by value 🧪 Examples: Type Example Value String      "hello" Number      42 , 3.14 Boolean      true , false Undefined           A variable with no value: let x; Null           An intentional "no value": let y = null; Symbol      Symbol(...