-
Book Overview & Buying
-
Table Of Contents
-
Feedback & Rating

React Interview Guide
By :

Initially, React was mainly used with class components, but over the years the components became complex with the usage of various patterns to reuse the component logic. Subsequently, Hooks were introduced to simplify the code without writing any patterns, such as render props and higher-order components (HOCs). Since Hooks play an important role in building React applications nowadays, you can expect a couple of questions on Hooks in a React interview. This section will give you detailed answers about what Hooks are and what their purpose is.
Hooks are simple JavaScript functions that allow components to use the local state and execute side effects (or cross-cutting concerns) and other React features without writing classes. The Hooks API has been introduced in React 16.8 to isolate the stateful logic from the components.
In a nutshell, the Hooks feature is a way for your function components to Hook into React’...