JavaScriptEnterprise JavaScript development with modern patterns, performance optimization, and scalable architecture1History2Introduction3Javascript runtime environment4Token5Scope6Global execution context7Var let const8Function9Practice questionsPractice and test your knowledge10Lexical scope11Closure12Interview questionsPractice and test your knowledge13Array14Object15Json16Call apply bind17Constructor function18This keyword19Destructuring20Rest and spread21String22Prototype23Dom24Event25Exception handling26Asynchronous javascript27Non promise based apis28What is promise29Frequently asked questionsPractice and test your knowledge