React.js和Angular.js之间的区别

React.js： React是一个声明性，高效且灵活的JavaScript库，用于构建用户界面。在MVC中是“ V”。 ReactJS是一个开源的，基于组件的前端库，仅负责应用程序的视图层。它由Facebook维护。

React使用了一个声明式范式，可以使您的应用程序更容易推理，并且旨在既高效又灵活。它为应用程序中的每个状态设计简单的视图，当数据更改时，React将有效地更新和呈现正确的组件。声明式视图使您的代码更具可预测性且更易于调试。

React js的功能：

• 可扩展性：由于其适应性强的结构和可扩展性，因此对于大规模应用是合理的。
• 丰富的JavaScript库：来自世界各地的开发人员正在竭尽全力以包括更多的功能。
• 代码可重用性：它使开发人员在项目上工作时可以重用不同级别的代码组件。

Angular：这是Google创建的一种流行的开源JavaScript框架，用于开发Web应用程序。前端开发人员使用Angular或React之类的框架来有效地呈现和处理数据。与旧版本的Angular相比，更新的Angular效率更高，尤其是核心功能已移至其他模块。这就是为什么它与旧版本相比变得如此快速和流畅的原因。新添加的角度CLI。使用该软件包，您可以为Angular项目创建一个脚手架。

Angular的特点：

• 可访问性：由于它具有启用了ARIA的组件，因此提供了更轻松的访问。
• 模板： Angular拥有几个模板，通过提供和建议一些语法来以更快的方式创建UI视图。
• 测试：这里的程序分为几个部分，这使得测试变得更加容易。在这种情况下，测试由量角器执行。

尽管react js和angular看起来都相似，但是React.js和Angular有明显的区别。

Field	React.js	Angular
Used as	React.js is a JavaScript library. As it indicates react js updates only the virtual DOM present and the data flow is always in a single direction.	Angular is a framework. Angular updates the Real DOM and the data flow is ensured in the architecture in both directions.
Architecture	React.js is more simplified as it follows MVC- Model View Control. This like angular includes features such as navigation but this can be achieved only with certain libraries like Redux and Flux. Needs more configuration and integration.	The architecture of angular on the other hand is a bit complex as it follows MVVM models- Model View  Model. This includes lots of tools and other features required for navigation, routing, and various other functionalities.
Performance	React.js holds JSX hence the usage of HTML codes and syntax is enabled. But this doesn’t make react js a subset of HTML. This is purely JavaScript based.	Angular on the other is a mere subset of html.
Preference:	React.js is preferred when the dynamic content needed is intensive. As react js holds more of straightforward programming and since it is reliable many apps such as Instagram, Facebook, and Twitter still prefer to react js over angular.	Angular is platform-independent and hence is compatible to work in any platform. Hence, an the HTML app which is compatible with all the browsers can prefer angular. One major app which uses angular is YouTube.
Written	React.js written in JavaScript.	Written in Microsoft’s Typescript language, which is a superset of ECMAScript 6 (ES6).
Dependency Injection	React.js Does not use Dependency Injection concept.	Angular Hierarchical Dependency Injection system used.

注意： Angular是一个很棒的框架，它在ReactJS方面有很多改进，它擅长于更大的应用程序。如果您是初学者或较少的编码实践，并且也想要稳定项目，可以使用ReactJS。