Java Script Basic Guide
Why is JavaScript Object Oriented? Because everything in JavaScript is an object. JavaScript is not a class-based object-oriented language. But it still has ways of using object-oriented programming (OOP). JavaScript isn't a classed-based language – it's is a prototype-based language. How can we achieve Inheritance previously when there is no extends keyword? The "prototype" property is widely used by the core of JavaScript itself. All built-in constructor functions use it How many ways constructors are called in a class? The constructor () method is called automatically when a class is initiated, and it has to have the exact name "constructor", in fact, if you do not have a constructor method, JavaScript will add an invisible and empty constructor method. Note: A class cannot have more than one constructor () method. How many ways an object is created in JavaScript? In JavaScript, there are four methods to use to create an object. Object Literals. New o...