HOW DOES REACTJS WORK?
The React elements are simple and inexpensive, unlike the DOM elements of the browser. The virtual DOM will try to find out the best way to update the browser DOM. React DOM takes care of updating the DOM to match the elements. It is because that Java is very fast and it is worth keeping a DOM tree to speed up its manipulation.
WHY SHOULD WE USE REACTJS?
- The user interface code is legible and can be maintained.
- It works very well for computers.
- There is an increasing demand for developers with the experience of ReactJS.
FEATURES OF REACTJS
The ReactJS application includes several components. Each component has its own logic and controls. The components can be reusable and help you to maintain the code when working with large projects.
ONE-WAY DATA BINDING
It is designed to follow the unidirectional data flow or unidirectional data connection. If the data flow in another direction, it requires additional resources. This may be because the components are immutable and the data within them cannot bealtered. Flow is a standard that helps keep your data unidirectional. It leads to the increased efficiency of the application.
It is the representation of the original DOM object. It helps in unidirectional data connection. Whenever any modification occurs in the web application, the entire user interface will be represented again in the representation of the virtual DOM. After comparing the old DOM and new DOM, the actual DOM will update only the things that really change. It makes the application faster.
ReactJS is a component-based approach that makes reusable code according to your needs and requirements. This makes using and learning easy. ReactJS uses the JSX file which makes the application simple and understanding.
ReactJS is a great performer. The DOM is a multi-platform and programming API with HTML, XML, and XHTML. The DOM exists in memory. Because of this, when we create a component we do not record directly into the DOM. Instead, we are writing virtual components that will become the DOM that will lead to faster and smoother performance.
LIMITATIONS OF REACTJS
- It does not allow methods to be passed as additions so we can call a method that can change the state. We cannot use the state value in the componentfunction.
- Names are case insensitive in normal HTML attribute. When using case insensitive names, one have to be very careful.
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