React is a JavaScript library for building fast and interactive user interfaces.
It was developed at Facebook in 2011 and currently it’s the most popular JavaScript library for building user interfaces.
The heart of all react applications are components.
What are components in React Applications?
- The component is essentially a piece of the user interface.
- So while constructing programs with react we construct a group of independent remoted and reusable components.
- And then compose them to construct complicated user interfaces each react application has at least one aspect.
- We take advice as a foundation component; this component represents the inner application.
- And consists of different child Components.
React application is basically a tree of components.
- Component is typically implemented as a Java Script class that has some state and a render method.
- The state here is the data that we want to display when the component is rendered.
- The render method as you can tell is responsible for describing what the UI should look like the output of this render method is a react element.
What is a React Element?
React Element is a simple plain JavaScript object that maps to a Dom element. It’s not a real Dom element, it’s just a plain JavaScript object that represents that Dom element in memory. So react keeps a lightweight representation of the Dom in memory which were referred to as the virtual Dom unlike the browser or the real Dom. We no longer have to work with the Dom API in browsers, in other words. We no longer have to write code and query and manipulate the Dom or attach the event handlers to Dom elements. We simply change the state of our components and react will automatically update the Dom to match that state and that’s exactly why this library is called react. Because when the state changes react essentially reacts to the state change and updates the DOM React is a library that only takes care of rendering the view and making sure that the view is in sync with the state. Let’s all react does nothing less nothing more for this very reason react has a very small API to learn. So when building applications with react we need to use other libraries for things like routing or calling HTTP services and so on.At SkillzAmp
- We are focusing on solving problems rather than focusing on the syntax. Our teaching goal focuses on problem solving approaches that help our students at the end when they land a job.
- So the first thing that we really tackle in our training is the coaching period to teach you the real world IT skills.
- We basically create the same scenario of how you are going to come across training when you land a job.
- AHOMi’s doing the great work of being a true guide for youngsters, who want to make a mark in the field of computer science and information technology.
- AHOM creates professionals who are well prepared to develop and harness emerging technologies that are changing the way business is run in the industry for professionals.
- Who desire to keep abreast with the changing requirements of the industry.
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