Home > Developer > Web Develop
1 <HTML>2 <Head>3 <Metahttp-equiv= "Content-type"content= "text/html; charset=utf-8">4 <title>Test</title>5 </Head>6 <Body>7 <Script>8 //Object Constructors9 functionatest (name) {Ten //private properties, which can only be used inside the object constructor One varClassName= "atest"; A //Public property, called after an object instantiation - This. Name=name; - //Object Methods the This. Hello= function(){ - Alert ( This. Name); - Alert ( This. MSG ());//methods that are expanded using the prototype method can be used inside the class - Alert ( This. Sex);//properties that are expanded using the prototype method can be used inside the class + alert (atest.age);//a static property is called when the format is [object. Static property] - } + } A //the location of the class method (which is actually called directly by a static method): The external syntax format for the Person class: Class name. Method name = function ([parameter ...]) {statement line;} at Atest.run= function(){ - Alert ("I am the class method Run"); - } - - - //Prototyping Methods in Atest.prototype.msg= function(){ - Alert ("My name is:"+ This. Name);//if the prototype method is called directly as a static method, THIS.name cannot be called to } + - //public static properties outside of class the Atest.age= -;//public static properties cannot use the "this. Property" and can only be called by using the object. property. * $ //The prototype property, which is considered to be a property inside the class, uses the "this. prototype attribute", or it can be used as a public static property "object. prototype. prototype Properties"Panax Notoginseng Atest.prototype.sex= "male"; - the Atest.run ();//class methods are also static methods that you can use directly with the object. static method () + Atest.prototype.msg ();//The prototype method is used as a static method when using the object. Prototype. Method () " A alert (Atest.prototype.sex);//The prototype property is treated as a static property when you use the object. Prototype. Method () " the vara= NewAtest ("Zhangsan");//object methods and prototype methods need to instantiate objects before they can be used + A.hello ();//Object methods must instantiate objects - a.msg ();//The prototype method must instantiate the object $ alert (a.age)://error, public static property can only be invoked using the object. Property $ - //PS: As far as possible the method is defined as a prototype method, the prototype method avoids each call to the constructor of the property or method construction, save space, create objects faster. - </Script> the </Body> - </HTML>
Reprinted from: Http://my.oschina.net/tongjh/blog/265087?p={{currentpage-1}}
The difference between JS object method, class method, prototype method, private property, public property, public static property
Start building with 50+ products and up to 12 months usage for Elastic Compute Service
1 on 1 presale consultation
24/7 Technical Support 6 Free Tickets per Quarter Faster Response
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.
A comprehensive suite of global cloud computing services to power your business
Payment Methods We Support
