JavaScript Getters 与 Setters 在本教程中,您将了解 JavaScript getter 和 setter 以及如何有效地使用它们。 JavaScript getter 和 setter 简介 以下示例定义一个名为Person类: classPerson{constructor(name){this.name=name;}}letperson=newPerson("John
令人高兴的是,我想我终于可以说,“现在,JavaScript的Getters和Setters使用非常广泛,它和每个JavaScript开发者的切身利益息息相关”。靠,我为了说这句话已经等了很久了。 首先,我们先来快速了解什么是Getters和Setters,以及它们为什么很有用。然后,我们来看看现在都有哪些平台支持Gettets和Setters。 Getters和Setters Ge...
Along with the inline method of declaring getters and setters, it can also be done more explicitly viaObject.defineProperty(MDN Documentation). This method takes three arguments. The first is the object to add the property to, the second is the name of the property, and the third is an ob...
It is with much happiness that I think I can finally say, without seeming like a fool, that: “JavaScript Getters and Setters are now prevalent enough to become of actual interest to JavaScript developers.” Wow, I’ve been waiting a long time to be able to say that....
getter 和 setter 是另一种提供对象属性访问的方法。 一般的用法如下所示: interface ITrackProps { name: string; artist: string; } class Track { private props: ITrackProps; get name (): string { return this.props.name; } set name (name: string) { ...
问javascript setters/getters的使用EN在这一点上，我不理解setter和getter的用法，因为我可以两者兼得:...
Meet getters and setters. How Let’s make that person object. We want to be able to set the first name, last name or full name, and have it update the other two automagically. var person = { firstName: 'Jimmy', lastName: 'Smith', ...
Getters和Setters使你可以快速获取或设置一个对象的数据。一般来说,一个对象拥有两个方法,分别用于获取和设置某个值,比如: { getValue: function(){ return this._value; }, setValue: function(val){ this._value = val; } } 用这种方式写JavaScript的一个明显的好处是:你可以用它来隐藏那些不想让外界直...
问JavaScript getters/setters和扩展对象EN在编程中，数据封装是指隐藏对象的值或状态。getter和setter是...
Getters和Setters使你可以快速获取或设置一个对象的数据。一般来说,一个对象拥有两个方法,分别用于获取和设置某个值,比如: { getValue: function(){ return this._value; }, setValue: function(val){ this._value = val; } } 用这种方式写JavaScript的一个明显的好处是:你可以用它来隐藏那些不想让外界直...