wireframe prototype

First, overview:Use the prototype instance to specify the kind of object to create, and create a new object by copying the prototypes.Simply put, a copy of the object creates a new object (the clone of the object), and the prototype pattern is an object-creation pattern .Second, the use of the scene:Creating a new object can be obtained by copying an existing object, assuming that it is a similar object, on

Js-oriented prototype language summary, js-oriented prototype Language1. Search and delete Arrays Function WarrperArray (array ){This. array = array; } // Returns the subscript. WarrperArray. prototype. existValue = function (val ){ For (var j = 0; j If (this. array [j] = val) return j; } Return-1; } // Delete the specified ElementWarrperArray.

Prototype and prototype in JavaScript What is the prototype? The Function type has a prototype attribute, which is translated as a prototype. This attribute is a pointer pointing to an object that contains some attributes and methods that are shared by all instances (objects

Use a prototype instance to specify the type of the object to be created, and copy the prototype to create a new object. 　　 2. Applicable scenarios The main idea of the prototype mode is to clone a new object based on an existing object. Generally, a clone method is provided for an object, through which a copy of the object is returned, this method of object crea

I. Common objects and Function objectsIn JavaScript, everything is the object! But the objects are also different. is divided into ordinary objects and function objects, object, function is JS self-contained functions object. The following examples illustrateFunction F1 () {};var F2 = function () {};var F3 = new Function (' str ', ' Console.log (str) ');var O3 = new F1 ();var O1 = {};var O2 =new Object ();Console.log (typeof Object); functionConsole.log (typeof Function); functionConsole.log (ty

Learning javascript object-oriented understanding of javascript prototype and prototype chain, javascript object-oriented Let's take a look at a picture and sort it out. I. Basic Concepts　Prototype chain]Each constructor has an object. The prototype object contains a pointer to the constructor, And the instance contai

PrefaceJavaScript does not contain the traditional class inheritance model, but uses the prototypal prototype model.Although this is often mentioned as a disadvantage of JavaScript, prototype-based inheritance models are more powerful than traditional class inheritance models. It is easy to implement the traditional class inheritance model, but it is much more difficult to implement

__PROTO__: This property is a property of an instance object, each of which has a __proto__ property that points to the prototype object (prototype) of the constructor that instantiates the instance.Proterty: This method is the property of the object. (it is said to be similar to an object's attr, such as in a DOM object)Prototype: Each constructor has a

PS One sentence: Eventually choose Csdn to organize the publication of the knowledge points of these years, the article parallel migration to CSDN. Because CSDN also support markdown grammar, Ah!OverviewTo understand prototype prototyping patterns, you must first understand shallow and deep replication in Java. In some places, replication is also called cloning. Java provides both of these cloning methods. Because the Clone () method is provided in Ja

Attached Source: http://hzjavaeyer.group.iteye.com/group/wiki/3086-JavaScript-core-conceptsFirst, the concept:Prototype object: A JavaScript object is a collection of properties and an implicit object: a Prototype object. The value of the prototype can be an object or null. In a generic engine implementation, the JS object contains several hidden properties, and the pro