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New To React? Check Out Core Concept Of React You Must Know

By Piyali Sarkar React 0 Views

If you always have been dreaming of developing a single codebase, which works on mobile, and web ecosystems without many hassles, no worries anymore.

Just read on✅

With the help of React Native, you can release a native app, which will run equally well on all the major technology ecosystems- iOS, Android, and Linux.

If you are already well-versed in JavaScript, then you can leverage your existing knowledge to build the best of the mobile applications with amazing user interface experiences.

Initially, React Native was built by a Facebook engineer to manage its ads. In 2013, it was released as open source code by Facebook, which was adopted by many organizations as well as some notable technology giants.

React Native can help you leverage your frontend skills to build impressive, faster, easier-to-build, and world-class applications.

React Native Logo

React Native helps in building mobile apps by using JavaScript and React Library. Almost all the concepts of JavaScript are borrowed heavily by React.

Some of the best-known websites like Twitter, Pinterest, Asana, Uber, Airbnb, etc., use React as their codebase to bring in robust user experience. React helps in providing a faster, easier, and more consistent user interface to the users worldwide.

Introduction of React Native has upended the mobile app industry to unprecedented heights.

Now that you know React Native can help you with your desired results, you are wondering as to how to master this technology.

Sweat no further❗

Let us hold your hand for a walkthrough to the five must-know concepts of React Native.

The Five Lights Of The Star That REACT Is

1. Components

React Native code is a bunch of nested components. A Component is nothing but an HTML command, which is compiled with visual output.

React Native codebase is a large pile of big components, with smaller components nested inside.

The component handles its own opening and closing logic, along with the visual output.

The React component is a single object, which outputs HTML in a traditional template along with the code needed to control the output.

React Native Components
The most common way to write the React components is render method that returns HTML.

The React Components do not pose any problems with the incomplete syntaxes.

In easy words, the component approach in React means HTML and JS code live in the same file.

When an application is broken down into components, it becomes easier to update and maintain.

The React components help in writing complex application codes in an easy way.

2. JSX

When we write code in React Native, we use HTML and JavaScript in the same file.

Using HTML and JS in the same file produces brilliant benefits for the front-end developers. That’s why App Development with React Native has become so successful.

JSX is nothing but an extension to JavaScript, where JavaScript is tagged along with XML.

Usually, the developers are supposed to keep the coding languages separate, and this relaxation of the rule of strict separation has brought revolutionary results in the field of building websites.

3. Props And States

Props, or Properties, to React Native is what attributes are to HTML. Props and States of Native represent the communication channel within each other.

Since the data flow in React Native is unidirectional, React Props flow from parent component to children components only, and not vice versa.

React Props help in reducing code duplication as the flow is uni-directional, and also help in maintaining object sync, which can be a big headache for the new developers.

React Native-Props And States

Props determine how the components will interact with each other.

Another feature of React Props is declaring prop types determine what type of data needs to be passed in the communication channel, and whether the data which is being passed down is required at all or not.

State enters the scene when the code needs to be mutated, which essentially means when components need to accept data from another source, States come in.

When the component needs to communicate with data which is not coming from its parent component, State steps in.

A component’s state can also be passed on to children as a prop. However, a state IS NOT an inherent property of React props.

Inside a component, State is managed by using setState function. React props are a vast majority of data.

It is only when you need to accept user input, state comes into handle change.

Declaration of prop types determines the data type to be passed, or whether the said data needs to be passed at all or not.

The state is always defined once at the topmost level, and can also be called master state.

Read also: React Native or Xamarin : Which Is The Better Framework?

4. How The Component Application Programming Interface (API) Works?

The component API in React Native works through its own commands, namely, render, and setState, which are unique to the language configuration.

React Component Lifecycle

It uses a sort of constructor command which defines and initializes the state and bind methods.

React Native provides a set of callbacks at various points during the lifecycle of a component.

In case of a change in state, with the help of a self-created virtual DOM, React re-assigns the components of your application.

With React Native, the API for the developers has become like a cakewalk. If you want to know more about it, Hire React Native Developers from a reputed firm. He/She can guide on this subject.

5. How Component Types Work?

The Components of React Native as functional components accepts props objects as arguments and outputs a bunch of HTML functions like a template with the ease of using JavaScript.

The key difference between an HTML template, and a React Native code is that any JavaScript code can be used inside that function.

It might be understood that using functional components makes us lose access to component methods, but in practice, the output stays perfect.

An HTML/React Native codebase sieving through a JavaScript framework produces an out-of-the-world user experience and a haven for the front-end developers.

One of the React Native components is setState. However, functional components cannot have a state. Thus, such React components are called stateless functional components.

This post would be incomplete without the mention of Higher Order Components, or the HoCs.

When components are wrapped around another component, they are called the HoCs.

They may also be mentioned as Special Properties. They are used with the help of HoC Factory Function. HoCs handle state changes in the code.

Another mention goes to the Container Components and the Presentation Components.

While the former handles all the data and the input, the latter manages the user interface or the UI.

Rewinding React Native

  • React Native is a frontend library released by Facebook.
  • It helps in making faster, easier, and cross-platform native apps for all the tech ecosystems.
  • Components are the commands in React, which are a combination of HTML, and JavaScript.
  • JSX = JavaScript + XML- the command language of React Native.
  • Props or Properties are the communication channel of React Native, work in uni-directional flow.
  • States come in when the code needs to interact with components which are not props.
  • API is the constructor command of the React Native.
  • Component Types accepts props as an argument, and give out a bunch of HTML as output.

This post encompasses all the major features of React Native, along with a detailed expression of its attributes. The React Native App Development Company can use this blog to give a basic idea to React Native to their trainee.

Happy REACT-ing!!!

Disclaimer: We at eSparkBiz Technologies have created this blog with all the consideration and utmost care. We always strive for excellence in each of our blog posts and for that purpose, we ensure that all the information written in the blog is complete, correct, comprehensible, accurate and up-to-date. However, we can’t always guarantee that the information written in the blog correct, accurate or up-to-date. Therefore, we always advise our valuable readers not to take any kind of decisions based on the information as well as the views shared by our authors. The readers should always conduct an in-depth research before making the final decision. In addition to these, all the logos, 3rd part trademarks and screenshots of websites & mobile apps are the property of the individual owners. We’re not associated with any of them.

Piyali Sarkar

Piyali Sarkar

Piyali, an M.Tech in CSE, has experience ranging from an assistant professor to creative writing in the local newspapers, she has stepped fully into the domain of mobile application development. Her writing can be said to be a combo of crazy thought process, efficacious vocab & sublime modus operandi. She pens down her thought for eSparkBiz @Mobile App Development Company where you can Hire Mobile App Developer. In an app-centric world, having a hot app-o-lava in her mind, she loves sharing her diegesis.

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