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Angular 7 vs React

In the world of IT, developers, and programming, Angular and React are among the most popular frameworks to use when working with JavaScript language. They have often become the reason for the ‘holy wars’ between the admirers of these technologies.



Change is all around us. Every 6 months we see a new version of these two products. So how far have these frameworks progressed as of the end of 2018? Let’s find out!

Architecture — Framework or Library

One of the biggest differences you should remember while reading this blog post is that Angular is a fully-fledged MVC framework and React is simply a JavaScript Library. This means that Angular can initially offer more functionality than React. Yet, React still remains the wild card in this unpredictable programming climate.


Here’s what Angular provides directly out-of-the-box:

-Templates, based on an extended version of HTML

-XSS protection

-Dependency injection

-Ajax requests by @angular/HTTP

-Routing, provided by @angular/router

-Component CSS encapsulation

-Utilities for unit-testing components

-@angular/forms for building forms


The thing to remember is that all this functionality restricts you at the same time. This is in comparison to React, which provides much more freedom and room for experiments.


React provides the following “out of the box”:

-Instead of classic templates, it has JSX, an XML-like language built on top of it

-JavaScript

-XSS protection

-No dependency injection

-Fetch for Ajax requests

-Utilities for unit-testing components

More

Regular DOM or Virtual DOM

A unique advantage of React is its virtual DOM, which makes it so incredibly fast. On the contrary, Angular implements a regular DOM, which drastically affects its performance. Taking into account the user’s experience, Angular is the loser in this regard.

Templates — JSX or HTML

React opted to merge UI templates and incorporate JavaScript logic, which no company has ever done before. The result is called “JSX”. Although it may have sounded like a bad idea, Facebook’s gamble in backing React paid off big-time.



Angular uses templates that enhance HTML with Angular directives (“ng-if” or “ng-for”). React only requires knowledge of JavaScript, but with Angular, you must learn its specific syntax.

State Management

States are a natural thing for an application. To deal with the state in React, developers often choose Redux. However, in Angular, you may not need Redux, only when your application becomes large enough. Some specialists also prefer to use MobX instead of Redux. To understand what suits you better, we highly encourage you to do some more research on both of them.

Data Binding

A huge distinction between React and Angular reveals itself in one-way vs. two-way binding. Angular uses two-way binding, which you can see when changing the UI element. Here, the corresponding model state changes as well, and vice versa.



React only has one-way binding. First, the model state needs to be updated, which then renders the change in the UI element. That said, if you change the UI element, the model state does not change. The developer must figure that out for themselves.


At first sight, Angular’s method is easier to grasp. However, as the project becomes larger, React’s way provides a better data overview. Both concepts have their advantages and disadvantages. You need to understand the concepts and determine if this influences your decision regarding a framework.

TypeScript or JavaScript/Flow

React uses JavaScript, a dynamically-typed language which most developers know. This can be regarded as an advantage. Working with Angular, JavaScript is not enough. Angular is all about TypeScript, a statically typed language. It is simply a transpiler that compiles TypeScript to JavaScript code, which also means you can write ES5 code in a TypeScript file. An advantage of TypeScript is that it offers more consistency, yet working with this language will present complications unless you have a JavaScript background.

Mobile Solutions

Angular and React both offer solutions for creating mobile applications.



Angular offers Ionic, a framework for developing hybrid mobile applications. It includes a Cordova container and a robust UI component library. However, the resulting app when viewed on a device is simply a web app inside of a native web view container. Because of this, the app can lag.


React Native, conversely, is a platform developed by Facebook for creating truly native mobile applications using React. The syntax is slightly different, but there are many more similarities than differences. Unlike Ionic, React Native produces a truly native UI. It also permits you to create your own components and bind them to native code written in Objective-C, Java, or Swift.

Testing

While writing React code, most probably you will use Jest from Facebook to test what you have written. Usually, Jest is incorporated in every React project and requires some additional configuration from you. It also includes a first-rate mocking library.



Implementing the Angular framework, you’ll deal with Jasmine. Eric Elliott says that Jasmine “results in millions of ways to write tests and assertions, needing to carefully read each one to understand what it’s doing”. The output is also very overcomplicated and hard to read.

Learning Curve

A significant step to make in choosing a new technology is to examine its learning curve and define whether it is relevant to your previous experience.


In React, you will need to know:

-JSX

-how to write components

-how to manage the internal state

-how to use props for configuration

-a routing library (since React doesn’t come with one).

-state management with Redux or MobX.


In Angular, you will need to know:

-directives

-modules

-decorators

-components

-services

-dependency injection

-pipes

-templates

-change detection

-zones

-AoT compilation

-Rx.js


The entry barrier for Angular is objectively higher than for React. The number of new concepts appears to be frustrating for newbies. However, that doesn’t mean that React is “easier to learn and use”. We advise you to try both React and Angular to see which one is better for you.

Companies Using

HUGE companies are utilizing both React and Angular. We’re talking about some of the biggest in the world. Here is just a small sample:

Conclusion

The battle between React and Angular will be always a hot topic, almost as hot as Apple vs. Android or Adidas vs. Nike. Yet, the answer is that there is no “best” framework. There are still people that think Ember is what makes the difference, and that’s great if it works for you. We choose our library, framework or any other technology in our life, according to how well it suits us in the given conditions at a specific point in time.

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