Author: Awais Farooq

ReactJS component is a top-level API. It makes the code completely individual and reusable in the application. It includes various methods for: Here, we are going to explain the three most important methods available in the React component API. setState() This method is used to update the state of the component. This method does not…

The constructor is a method used to initialize an object’s state in a class. It automatically called during the creation of an object in a class. The concept of a constructor is the same in React. The constructor in a React component is called before the component is mounted. When you implement the constructor for…

State The state is an updatable structure that is used to contain data or information about the component and can change over time. The change in state can happen as a response to user action or system event. It is the heart of the react component which determines the behavior of the component and how…

Props are an important mechanism for passing the read-only attributes to React components. The props are usually required to use correctly in the component. If it is not used correctly, the components may not behave as expected. Hence, it is required to use props validation in improving react components. Props validation is a tool that will help the developers…

Props stand for “Properties.” They are read-only components. It is an object which stores the value of attributes of a tag and work similar to the HTML attributes. It gives a way to pass data from one component to other components. It is similar to function arguments. Props are passed to the component in the same way…

The state is an updatable structure that is used to contain data or information about the component. The state in a component can change over time. The change in state over time can happen as a response to user action or system event. A component with the state is known as stateful components. It is…

Earlier, the developers write more than thousands of lines of code for developing a single page application. These applications follow the traditional DOM structure, and making changes in them was a very challenging task. If any mistake found, it manually searches the entire application and update accordingly. The component-based approach was introduced to overcome an…

As we have already seen that, all of the React components have a render function. The render function specifies the HTML output of a React component. JSX(JavaScript Extension), is a React extension which allows writing JavaScript code that looks like HTML. In other words, JSX is an HTML-like syntax used by React that extends ECMAScript so that HTML-like syntax…

React and Vue is the two most popular JavaScript libraries which are used to build thousands of websites today. Both React and Vue are very powerful frameworks with their own set of pros and cons. Which one you have to pick, depends on the business needs and use cases. Both React and Vue have a…

ReactJS ReactJS is an open-source JavaScript library used to build the user interface for Web Applications. It is responsible only for the view layer of the application. It provides developers to compose complex UIs from a small and isolated piece of code called “components.” ReactJS made of two parts first is components, that are the…