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");console.log(person.name);// 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...
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...
Not many people know it, but you can use "real" getters and setters in JavaScript if you want to. De-facto offerings Firefox 2.0+, Safari 3.0+, Google Chrome 1.0+ and Opera 9.5+ support a de-facto way of getters and setters: var lost = { loc : "Island",
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', get fullName() { return this.firstName + ' '...
But this is ugly, and requires the users of your object to care that the properties are related; in a more complex example, that might not be as obvious as with names. Luckily, there’s a better way, added in ECMAScript 5. Meet getters and setters. ...
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:...
Getters and setters are functions or methods used to get and set the values of variables. The getter-setter concept is common in computer programming:
JavaScript Closures – The Absolute Basics: Getters and SettersHome › JavaScript › JavaScript Closures – The Absolute Basics: Getters and Setters The next step in mastering JavaScript closures is being able to “get” or “set” a private variable. In Part I of this series: JavaScript ...
问JavaScript getters/setters和扩展对象EN我正在研究JavaScript中的getter和setter方法，以及它们与扩展对象...