object prototype

We proceed as above, we have solved the method sharing problem of multiple instances by prototyping, then we will figure out the prototype of the prototype and the context of the prototype chain.1 functionCreateobj (uName) {2 This. UserName =UName;3 }4CreateObj.prototype.showUserName =function(){5 return This. UserName;6

http//www.cnblogs.com/cmptlgg/my Blog Parkoverriding the Prototype property value of a function object: the connection of the [[Prototype]] internal properties of the instance and the Prototype (prototype object) of the original f

ExtJs -- 09 -- three methods of javascript Object writing prototype: the most efficient way to set prototype through prototype /*** Recommended three methods for writing javascript objects. The third method is recommended for execution efficiency. */function P (name, age) {this. name = name; this. age = age; // method

Combining the constructor pattern with the prototype pattern Constructor patterns are used to define instance properties, which are used to define methods and shared properties. The most common way to create custom types is by combining the constructor pattern with the prototype pattern.1. Create an Object//combination using constructor mode and

varProto =""; function person (name, age, job) { This. Name =name; This. Age =Age ; This. Job =job; if(typeof This. sayname! ='function') { //You cannot create a prototype object with literal literals here .//Person.prototype.sayname = function () {//console.log ("name =" + THIS.name); // };Proto = Person.prototype;//prototype

Note: The built-in function object Funtion prototype prototype is an instance of object , but it is a function type.Function. prototype instanceof Object; true ---is an instance of Objectfunction.

DOM note (12): Prototype object and dom prototype Because I have previously paid a note on the prototype object: Let's talk about the prototype mode in JavaScript. Now I can see this topic again and have a better understanding of

Each function we create has a prototype (prototype) attribute, which is a pointer to an object, and the purpose of this object is to include properties and methods that can be shared by all instances of a particular type. If it is understood literally, then prototype is the

Each function created in JavaScript has a prototype (prototype) attribute, which is a pointer to an object that is used to contain properties and methods that can be shared by all instances of a particular type. If it is understood literally, then prototype is the prototype

new command to JavaScript, which is used to generate an instance object from the prototype object. However, JavaScript does not have a "class", how to represent a prototype object?At this point, he thought that C + + and Java would invoke the constructor of the class (const

First look at a picture, comb and comb. I. Basic CONCEPTS　The prototype chain has an object for each constructor, and the prototype object contains a pointer to the constructor, and the instance contains an internal pointer to the prototype

Javascript prototype, prototype chain, object replication and Other Principles and Examples (below), javascript example Prototype Prototype is an important concept in JavaScript object-oriented features and is also a concept that