figma prototype

When using object-oriented programming, the inheritance between objects is naturally unavoidable! And the prototype is a very important way to achieve JavaScript inheritance! Let's start by looking at the following code: Copy Code code as follows: function person (name, age) { THIS.name = name; This.age = age; } Person.prototype.getInfo = function () { Alert ("My name is" +this.name+ ", and I have" +this.age+ "years old");

JS programming is most commonly used in the definition of two object classes. Either of the following two methods can achieve the same effect! The following two methods are commonly used in daily JS programming: 1. Mixed constructor and prototype (emphasis) The Code is as follows: Function car (sColor, iNumbers) {// The constructor is only used to define all non-function attributes of an object, that is, attributes of an object.This. color = sColor

Summary of methods for obtaining prototype objects in Javascript, and javascript prototype In Javascript, if we have an object but do not know its constructor, how can we obtain its prototype object? In Chrome or FireFox, we can directly use the _ proto _ attribute of an object to obtain its prototype object. Copy c

First, what is prototypeWhen a constructor is created, if a variable declaration is made within a function, the declared private variable is not accessible externally. This is used to declare instance variables and functions to ensure that objects declared by using the constructor can call these variables and functions. However, the life instance function replicates an identical function to the stack space each time a new object is created, which is a waste of resources.

Constructor Prototype pattern prototype mode (PHP example), Prototypepattern When a class is mostly the same and only partially different, if you need a large number of objects of this class, it is expensive to instantiate those same parts each time, but if you create the same parts of the object before cloning, you can save overhead. One way to implement PHP is to __construct () and initialize functions t

7. Builder, prototype, and Singleton of the Creation Mode ----- big talk design mode and the prototype of the two figures of the westward journey I. Builder ModeSeparates the construction of a complex object from its representation, so that different representations can be created during the same construction process.The benefit of the builder mode is to separate the Construction Code from the representatio

, but the problem comes again, in the global scope to define a real just want to let the blog use the function, display to let the global scope some veritable, What's even more unacceptable is that many methods are defined in the global scope that are only used by specific objects, wasting space, and obviously losing object-oriented encapsulation, so you can solve this problem by prototyping.prototype ModeEach function we create has a prototype (

Special attention should be paid to reading and modifying the prototype in javascript, because the reading and writing of the prototype is not equivalent. For members inherited from prototype objects, the read and write operations are inherently unequal. For example, assume that the prototype object of object A is B, a

object itself as the first parameter. The difference between the two is the second argument: Apply passes in an array of parameters, which is the combination of multiple parameters into an array, and call is passed in as a call parameter (starting with the second argument).Closure Depth: http://www.cnblogs.com/onepixel/p/5062456.html1 prototype design patternClone () can be used in. NET to implement the prototype