JavaScript class区别的相关内容

文章 2024-03-24 来自：开发者社区

js开发：请解释什么是ES6的类（class），并说明它与传统构造函数的区别。

ES6的类（class）是一种面向对象编程的概念，它提供了一种更加简洁和清晰的方式来创建对象和处理继承。与传统的构造函数相比，类具有更好的可读性和可维护性。区别：语法不同：类使用关键字class定义，而构造函数使用函数定义。继承方式不同：类使用extends关键字实现继承ÿ...

文章 2016-12-25 来自：开发者社区

JS中class和id的区别

class和id的区别 class用于css的，id用于js的。 1）class页面上可以重复。id页面上唯一，不能重复。 2）一个标签可以有多个class，用空格隔开。但是id只能有id。

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更新时间 2024-08-16 14:01:13

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