React state and props

 React StateEvery component in react has a built-in state object, which contains all the property values that belong to that component.In other words, the state object controls the behaviour of a component. Any change in the property values of the state object leads to the re-rendering of the component.Note- State object is not available in functional components but, we can use React Hooks to...

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Virtual DOM in ReactJS

 Why was virtual DOM introduced? DOM manipulation is an integral part of any web application, but DOM manipulation is quite slow when compared to other operations in JavaScript. The efficiency of the application gets affected when several DOM manipulations are being done. Most JavaScript frameworks...

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React Hooks and Lifecycle

 What is React Hooks?React Hooks cannot be used in class components. They let us write components without class.React Hooks are the built-in functions that permit developers for using the state and lifecycle methods within React functional components. These are newly added features made...

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