One of the most difficult aspects of React to learn is the component lifecycle. The component lifecycle is the sequence of events that happens when React components are initialized, updated, and destroyed. Understanding the component lifecycle is essential for writing efficient and maintainable React code.
State management is an important part of any React application. State management is the process of storing, retrieving, and updating data within a React application. React uses a concept called “state” to store data, and it’s important to understand how to manage state within a React application.
Data fetching is the process of retrieving data from an API or other data source. Data fetching is an important part of any React application, and it can be tricky to get right. React provides various tools and techniques for data fetching, and it’s important to understand these tools and techniques in order to create efficient and maintainable React applications.