REACTJS PROS N CONS

ReactJs is one of the most favoured and popular front end development library based on Javascript programming language for developing innovate user interfaces for single page applications.
One of the best choices of developers,it allows developers to create reusable UI components which help in fast development.
Now let's have a look at the pros and cons of ReactJs.
PROS-

• Virtual DOM
  Reactjs has a virtual DOM which improves app performance by
  allowing a page to immediately receive a response from the
  server and display updates. Each time a change is triggered,the
  entire virtual DOM is updated hence increasing the efficiency of
  ReactJs.

• Reuseable Components
  ReactJs supports reusable components i.e. once a UI component
  is created,it can be used in other parts of code or even in
  different projects with little or no changes.
  While developing a ReactJS app,it is possible to use open-source
  libraries of pre-built components.This helps to cut down the
  time required for UI development.

• Downward Data Flow
  Thee one-way data flow in ReactJs is one more feature
  developers consider beneficial. This data flow is also called
  top to bottom or parent to child. It means there is only one way
  data transmission between the elements in a ReactJs
  application. A downward data flow prevents errors and
  
  facilitates debugging.

• Huge Community
  The ReactJs community supplies tons of valuable libraries that
  facilitates the ReactJs development process. ReactJs libraries
  provide developers with new possibilities and ways to improve
  the quality of their code and apps. Since ReactJs developers
  often share the libraries with ready to use components,there is
  an opportunity to implement some of them in your own application
  and reduce the time required for development.

• React Developer Tools
  React Developer Tools is an extension for Chrome and Firefox
  that provides a set of inspection widgets to facilitate
  development. The extensions simplify debugging, allowing
  developers to search through a list of all components and view
  deeply nested components straight in a browser.

CONS OF REACTJS

• Poor Documentation
  Documentation of ReactJs and its related libraries is often
  lacking. Developers tend to release updates to libraries without
  updating the documentation. This makes it hard for others to get
  acquainted with new features and integrate libraries.

• JSX
  Yes, JSX is a barrier as it is complex for new developers to
  understand its complexity correctly and work on the projects
  like a pro.
  In fact,JSX is suitable for ReactJs,in many cases.It enables
  developers to mix up HTML and Javascript together while it may
  provide bad experience to the fresher.

• View Part
  As ReactJs is used for developing the dynamic user interface,it
  has good reasons behind,but it has some adverse impact as well.
  For example, developers need to rely on other technologies as
  well.