A JavaScript library for building fast and interactive interfaces for mobile and web applications, React is built for web and mobile development.A front-end component-based library that only handles the application's view layer.

1. Reacting with lifecycle methods has the following features

2. React is a JavaScript library created for building fast
and interactive user
interfaces for web and mobile applications. It is an
open-source,
component-based, front-end library responsible only
for the application’s
view layer. In Model View Controller (MVC)
architecture, the view layer is
responsible for how the app looks and feels. React
was created by Jordan
Walke, a software engineer at Facebook.
What is React

3. Let us look at the essential and most demanding features :
1. JSX: JSX means JavaScript XML. It is an extension of JS
language syntax. It provides a way to render components using a
syntax similar to HTML.
2. Virtual Document Object Model:React make an in-memory data
structure cache, then it computes the difference
between the previous DOM and the new one and then updates
the changes or
mutations performed.
3. Testability: React views are used as the state’s functions where
the state determines the
behavior of the component. Therefore we can make changes to
the state and then
pass it to a view the ReactJS and then determine the output.
Features of React

4. 4. SSR:It permits to pre-render the initial state of the
components at the server-side. The browser can
render without waiting for all the JavaScript to be
executed or loaded. This makes web pages to load
faster.
5. One Way Data Binding:It allows one-way flow of data, i.e.
one-way data
binding. Due to this feature, there is better control
over the application.
6. Simplicity:JSX files make the application simple and
understandable. Standard JavaScript can be used
to code, but the usage of JSX makes it easier.
7. Learning Curve:In comparison to other frameworks, the
learning
curve of React is low. Beginners having basic
programming language can also learn to React easily.

5. SEO friendly
It is easy to create test cases for UI.
React Components can be reused
easily.
Ensures faster rendering.
Debugging is easy.
Ease of Migration.
Enhances productivity.
Writing components is easy.
Stable code.
Has a helpful developer toolset.
Advantages

6. Disadvantages
The high pace of development.
Poor documentation.
Additional SEO hassle.
View-oriented only.
Large size library.
The learning curve for beginners.
Requires manual processing of
data changes.
I need more code in some
cases.

7. THANK YOU !
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