Kursusindhold

React Mastery

1. Fundamentals of React and Component-Based UI

What Is React and Why Use It?Comparing SPAs and MPAs in Web Development How React Works with the Virtual DOM Introducing JSX for Writing HTML in JavaScript Building Complex UI with JSX Rendering Elements in React Challenge: Render an Element in React Understanding React Components Passing Data with Props in React Challenge: Create Functional Components Conditional Rendering in React Challenge: Implement Conditional Rendering – Chat Notification Challenge: Implement Conditional Rendering – Bank Alert Rendering Collections of Data in React Challenge: Display Data Collections in React React Fundamentals Wrap-Up

2. Styling Techniques in React Applications

Introduction to Styling in React Using Inline Styles in React Applying Inline Styles in Practice Challenge: Use Inline Styles in a React Component Styling React Components with External CSS Applying External CSS in Practice Challenge: Apply External CSS to a React App Using CSS Modules for Scoped Styling in React Organizing File and Folder Structures for Styles Challenge: Use CSS Modules in React Styling Techniques in React Wrap-Up

3. React Hooks and Context for State Management

Introduction to React Hooks and Context Managing State with the useState Hook Challenge: Toggle Visibility with useState Working with References Using the useRef Hook Challenge: Build a Controlled Form Component Handling Side Effects with the useEffect Hook Challenge: Fetch and Display Data with useEffect Optimizing Performance with the useMemo Hook Challenge: Implement a Car List Filter with useMemo Sharing State Across Components with Context Using Context in a Real-World Scenario Challenge: Build a World of Astronomy App with Context React Hooks and Context Wrap-Up

4. Structuring Real-World React Projects

Setting Up Your React Development Environment Choosing a Code Editor for React Development Organizing the Project Folder Structure Working with the Terminal in React Development Starting and Running a React Project with Vite React Project Setup Wrap-Up

Challenge: Apply External CSS to a React App

Task

We will now proceed to create the Alert component, which will render all the elements passed as children and apply some specific styles to it. The task is:

Create the component Alert that has the div element inside.
The div element should have the alert class name.
The div element should have the children prop as the content.
The div element should have the following CSS.

padding: 20px;
border-radius: 10px;
background-color: lightgreen;
color: darkmagenta;

To create a div element in the component, use <div>...</div>.
To pass props.children as the text content enclose it within {...} and set props.children. Result: <div>{props.children}</div>.
To add a class name to the div element, use the className attribute and set it to alert. Result: className="alert".
To import the file with styles in the index.js file, use import statement and provide the correct path to the file. Result: import './index.css'.
To apply styles to the div element, use the class name selector .alert and insert the styles from the task.

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Sektion 2. Kapitel 7

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