What is React.js?
Features of React.js
- Virtual DOM
- Data Binding
- Performance level
2. Virtual DOM
VDOM, short for Virtual Document Object Model, is a representation of the real DOM in React’s memory. Manipulation of the real DOM is tedious and slow hence the Virtual DOM is used to make the speed and performance of the web application better. Whenever any modification or changes happen on the web page, then the Virtual DOM instead of updating the entire real DOM only updates the modified part in it. Due to this, the application is fast and highly responsive making the user experience better.
3. Data Binding
React.js is developed in such a way that it follows one-way data binding. This one-way data binding or unidirectional flow of data helps in giving better control in the web application. If the data flow was bi-directional then additional features would be required for its functioning. Components are supposed to be immutable means that the data within these components should remain unchanged. To keep the data flow unidirectional there is a pattern used called flux. It makes the application highly flexible thereby increasing the efficiency of the web project.
As mentioned before, react.js focuses mainly on components. Every application which is made using React.js is formed by multiple components. Every component here has its own unique controls and logic. These components are reusable hence help in maintaining the stability of the code while working on larger web applications.
The use of JSX files in React.js makes creating and developing web applications easy and simple to code as well as understand. Furthermore, react.js uses a component-based methodology making the code reusable according to your needs. Lastly, the one-way data binding or unidirectional data flow helps in understanding and keeping track of the data in the components.
6. Performance level
React.js is widely used as it provides great performance and is a better alternative to other frameworks nowadays. The main reason for its good efficiency and performance is that it makes use of Virtual DOM. The document object model is a programming API that works with the HTML component of the application. The DOM exists only in the memory. In react, when we create a component, we do not write in the DOM directly, instead, we use the Virtual DOM. Due to this, the application works smoothly and faster.
Why should you learn React.js?
Other than all this, the way React is built makes it advantageous for developers. Its feature of reusable components and unidirectional data flows not only saves time and money on development but also makes it easy to reuse and debug. Additionally, it embraces SEO and its components making it easy for you to rank the Google search engine.
As time passes, technologies change but React does not frequently discard APIs due to this many companies choose React. Due to this, react.js is one of the most in-demand and fastest-growing technologies used for front-end development. Knowing this technology will not only make you a good web developer but also will help you stand out among your competitors.