Components In ReactJs

 In blog, Business, Code Quality

Features of ReactJs

What is ReactJs Component?

A Component is one of the core building blocks of React. Every Application pages build with multiple pieces that are called components. Components make the task of developing UI much better and easier.

In the image, UI is broken down into multiple pieces and that is called “Component”. Here the components are Header, Side menu, content, and footer. These components work independently. Merge all components in a parent that makes the final UI.

Benefits of ReactJs Components:

  • Easy to use
  • Reusability
  • Testability
  • Efficiency
  • Consistency
  • Maintainability

Types of Components:

Class-based Component:

These components are having simple classes made up of multiple functions. The class-based components are aware of other components and also can work with each other components.

The component has to include the extended React. The component statement, this statement creates an inheritance to React. Component, and gives your component access to React.Component’s functions. The component also requires a render() method, this method returns HTML.


Function-based Component:

Functional components are simply JavaScript functions.

We can create a functional component in React by writing a JavaScript function.
Function-based components are less complex than class-based components.

It also returns HTML and behaves the same as the class component. But with less code and easy to understand.

Now React application has a component called HypeTeq, which returns a <h2> element.

To use this component in application, use similar syntax as normal HTML:    <HypeTeq />

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