javascript object oriented programming interview questions

JavaScript Object-oriented programming (c): Inheritance of non-constructors The first part of this series describes "encapsulation", and the second section describes using constructors to implement "inheritance." Today is the last section, which describes the implementation of "inheritance" without using constructo

(Destination,source) {in source) {Destination[property]=source[property];} return destination;} Defines an abstract base class base, no constructor function base () {};base.prototype={ initialize:function () { this.oninit ();//calls a virtual method }} function Subclassa () {//constructor}subclassa.prototype=object.extend ({propinsubclassa: "Propinsubclassa", OnInit: function () {alert (This.propinsubclassa);}},base.prototype); function Subclassb () {//constructor}subclassb.prototype=

JavaScript is an object-based (object-based) language, and almost all of the things you encounter are objects. However, it is not a true object-oriented programming (OOP) language because its syntax has no class (class).So what sh

Perhaps you would wonder why object-oriented programming begins with arrays. This is because ... In the midst of all the relationships ... Hey, let's sell a few words here first to see what our familiar array is like in JavaScript. 1. Create an array There are many ways to create arrays in

this objectDeep understanding of constructors:Let's look at an example:　　　　　　Print　　　　　　　　　　　The knowledge points extracted from the above examples are:　　　　　　　　1. The newly created property with the constructor name is not used.2, set the properties of the prototype function statement inside the function or outside the same effective3. Instance new attribute placement is also accessed after the instance is created (because it is a global property, although the Start method is called after the f

5 typical JavaScript interview questions and javascript interview questions Companies in the IT industry still have high requirements for JavaScript developers. However, if the skills

The exclamation is to ease the serious atmosphere and bring out the topic to be discussed today, "javascript object-oriented programming". Next, we will focus on several major object-oriented keywords: encapsulation, inheritance,

As an object-based language, JavaScript is not like a real object-oriented programming language, because it has no class-Implementation scenarios for JavaScript Classes 1. Factory modefunction Createperson (name, age, Job) { va