One of the key area of working in case of React.JS is the virtual DOM in it. This is not at all the real DOM, which will work on the rendered content. However, it will work on the real set of data, enabling the user to identify the set of data that has been changed accurately. Thus, the system is much more accurate to ensure all functions are running smoothly and executing in the desired way, all the time.
Optimizing the speed
As a developer, you will always like to write short codes. With such intention, JSX must be your choice. The codes to be used there is in short hand. Hence your coding part can be accomplished within a shorter time. However, in case of React.JS, the key feature that is added to you is in the form of data binding. This feature will help you work in applications, that actually works on big data.
The above elements are going to give you the answer to your question – why to go for React.JS. Now, it is your time to decide for the short online course and then go for the drive to improvise your career. The above features will surely motivate you, as a professional.