javascript class setter

The properties of a JavaScript object consist of a name, a value, and a set of attributes (writable, enumerable, configurable, and so on). In ECMAScript 5, property values can be replaced by one or two methods, which are getter and setter. var myobj = { a:2, get B () {return 3; } }; Console.log (MYOBJ.A);//2 Console.log (myobj.b);//3 In the code above, property A is called a " Data

= Object.getownpropertynames (obj);//get all of your own properties the for(vari=0;ii) { + if(Names[i]inch This) - Continue;//Skip an existing attribute the vardesc =Object.getownpropertydescriptor (Obj,names[i]);BayiObject.defineproperty ( This, Names[i],desc);//Copy the configuration of properties and properties. the } the } - }); - the varR ={}; the r.extend (p); theConsole.

Is property assessor good or edevil? C # thinks good and Java as contrast. What about JavaScript? Maybe yes, maybe no... Mozilla spidermonkey introduce variety of solutions for getter and setter. Here is the sample: Test-js-getset.js======================== function test1() {var obj = {prop getter: function () { return 'prop1'; }};trace(obj.prop);obj.prop getter = function () { return 'prop2'; }trace(o

Attention:The following output is in the browser's consoleGetter () and setter () methods for private properties of closures implemented in JavaScript

running JavaScript code and add it to the AST tree. The result of the class definition is to add a new node of type classliteral in the syntax abstraction tree.The node contains some information. First, it treats the constructor as a separate function and contains the class property set. These properties can be a method, a getter, a

JavaScript-create your first class library, javascript-class library Through the previous object-oriented and Prototype Learning Section. We know how to create a class, including private attributes and methods of the class, public

We know the code for getting the class name of a JavaScript user-defined class, although JavaScript is an object-based language. However, with its prototype feature, we can fully implement a very sexy OO compiling framework. Here we can look at the articles in the classic Forum 'Basically implement

Add and remove class names based on JavaScript and remove class names using javascript Method 1: Use the className attribute; Method 2: Use the classList API; // Function reg (name) {return new RegExp ('(^ | \ s)' + name + '(\ s + | $) ');} // hasClass addClass removeClass toogleClassvar hasClass, addClass, removeClass

Detailed explanation of the principle of the Javascript class Inheritance Mechanism Currently, JavaScript implementation inheritance is not implemented through the "extend" keyword, but through the constructor function and prototype attributes. First, create an animal class.JS Code VaR animal = function () {// This is the constructor function. This. Name = 'pi

Share a common javascript static class and a javascript static class If you don't talk much about it, simply provide the Code. If you know what to do with it, take it directly. Copy codeThe Code is as follows:Util = function (){Return {$: Function (id ){Return document. getElementById (id );},Trim: function (str ){Retu

How to use JavaScript to define a class, javascript a class My original method is as follows: function Dog(){ this.name = 'hachi';}Dog.prototype = { makeNoise:function(){ alert('wangwangwang'); }}; Later, I saw another complicated and seemingly unnecessary statement: function Dog(){ var privateVariable = 'secret

A simple JavaScript class definition example A simple example of JavaScript Public Member definition, Private member definition, and privileged method definition is provided.Java code

The examples in this article describe the implementation of JavaScript definition classes and classes. Share to everyone for your reference, specific as follows: It has been frequently seen in several groups that a function in a class is asked how to call this. The method that is exposed after the definition. Now send a class to realize the essay. First of all,

JavaScript is a very low entry threshold language, and even a technician who has never had access to JavaScript, can write a simple and useful program code within hours. But if so you're jumping to conclusions: JavaScript is a simple language. Then you are wrong. To write High-performance code, you also need to have the basics of a senior programmer. A Java or

Previous Blog "09 Classes and modules"--2 classes and constructorsLet's talk about Java class inheritance in JavaScript, and if you've ever experienced Java or other similar strongly-typed object-oriented programming languages, you'll find that the difference between JavaScript and Java classes is The functions in JavaScript