Programming FlashCards - Learn Coding Concepts

Context Consumer

The Context Consumer is a component that subscribes to React context updates. It allows you to access the context value directly without using the useContext hook, making it useful in class components or when you want to avoid hooks.

React

Context API

The Context API in React allows you to share state across the entire app without having to pass props down manually at every level. This is especially useful for global data like user authentication or theme settings.

React

Lists and Keys

In React, lists are used to render multiple components dynamically. Each list item should have a unique 'key' prop to help React identify which items have changed, are added, or are removed. This improves performance and helps maintain component state.

React

Lists & Keys

In React, lists are used to render multiple components. Each item in a list should have a unique 'key' prop to help React identify which items have changed, are added, or are removed, improving performance and preventing bugs.

React

React Router

React Router is a powerful library for routing in React applications. It allows you to create dynamic routing and navigation by defining routes in your application, enabling users to navigate between different components seamlessly.

React

Nested Routes

Nested routes allow you to render child routes within a parent route in React Router. This helps in organizing components and managing layouts effectively.

React

Props Drilling

Props drilling is a technique in React where data is passed from a parent component down to child components through props. This can lead to deeply nested components needing access to certain data, making it cumbersome to manage. Understanding props drilling is crucial for effective component communication.

React

Functional Components

Functional components are JavaScript functions that return React elements. They can accept props as an argument, allowing for dynamic rendering of UI based on the props passed to them.

React

useContext Hook

The useContext Hook allows you to access the value of a React context directly in functional components. It simplifies the process of sharing state between components without prop drilling.

React

useReducer Hook

The useReducer hook is an alternative to useState for managing complex state logic in React components. It allows you to handle state transitions based on actions, making it easier to manage state in larger applications.

React

useMemo Hook

Memoize expensive computations to optimize performance by preventing unnecessary recalculations on every render.

React

useEffect Hook

Learn how useEffect handles side effects in functional components, such as data fetching, subscriptions, or manually changing the DOM

React

React Synthetic Events

Understand React's SyntheticEvent wrapper that normalizes events across different browsers, providing a consistent interface for event handling.

React

React Event Binding

Learn how to properly bind event handlers in React class and functional components to ensure correct 'this' context and prevent unnecessary re-renders.