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Constructor Concepts Private Constructor Parameterized Constructor Constant, read-only and static Keywords Base class Parameterized Constructor We have two classes, one is ClassA and other is ClassB, the ClassB inherit base class ClassA. If we make the object of child class ClassB then which class constructor called first? We know that Base class constructor called first. But if we creating object with parameters, and base class have both constructor default and parameter, then which constructor of base class called first. Basic OOPs Concepts Delegates Events Generics Indexers Out keyword Ref keyword Property Struct Arrays Collection of Classes Class Library Virtual | Override | new Keyword Objects|Classes Abstraction Encapsulation Inheritance Basic C# Concepts What are ASP.NET Delegates, Types and Examples? What are funk, Actionn and...

A JavaScript Constructor is a function which is used as a constructor that allows you to create an object from a class. A constructor access is one of public, protected and private. Three ways to define a JavaScript class , 1.       Using as a function 2.       Using as Object Literals 3.       Singleton using as a function Stayed Informed - Why “ self ” is needed instead of “ this ” in JavaScript? The Syntax access NameOfAClass(parameters) { initialization code; } //Access as public public customer(parameters) { initialization code; } //Access as protected protected customer(parameters) { initialization code; } //Access as private private customer(parameters) { initialization code; } Examples as , //class declaration inJavaScript //constructor var customer = function (id, name, age) { } customer . prototype = {} //Instance variables members. va...