what is the react?

• React (also known as React.js or ReactJS) is an open-source front-end JavaScript library forbuilding user interfaces or UI components. It is maintained by Facebook and a community ofindividual developers and companies. React can be used as a base in the development of single-page or mobile applications.

what is component?

• Components are independent and reusable bits of code. They serve the same purpose as avaScript functions, but work in isolation and return HTML via a render() function. Components come in two types, Class components and Function components, in this tutorial we will concentrate on Class components.

  What are the charactistics of a component?

• jsx Components. One-way Data Binding. Virtual DOM. Simplicity. Performance.

What are the advantages of using component based architecture?

• Ease of deployment − As new compatible versions become available, it is easier to
• eplace existing versions with no impact on the other components or the system as a whole.
• Reduced cost − The use of third-party components allows you to spread the cost of development and maintenance.

What is props short for?

• The term “props” stands for “properties” and is used for passing data from one component to another. As opposed o state in React, props are read-only. So, the data coming from a parent component can’t be changed by the child component.

How are props used in React?

• Props” is a special keyword in React, which stands for roperties and is being used for passing data from one component to another. Furthermore, props data is read- only, which means that data coming from the parent should not be changed by child components.