在ES5中通过原型链实现类的定义，而ES6引入了class关键字，可直接声明类。类中支持构造函数和各类方法的定义，实例化后可调用相应方法。以下通过具体示例演示其使用方式与操作步骤。

If you’re a developer, you’ve probably heard a little bit about ECMAScript 6 (ES6) already, though at first glance it might seem a little confusing. What it really boils down to is this: it’s the next ...

What the heck are all these arrows (=>) and dollar signs (`Hello ${name}`) doing in this new JS code I’m seeing? What’s with these objects with no value pairs? JavaScript is constantly improving, and ...

JavaScript, it’s no longer the avoidable nuisance it once was. The flexibility of of the language and its ubiquity on the client side have brought it front and center for modern web developers. The ...