Зміст курсу

Mastering React

1. Introduction to React Fundamentals

What is React?SPAs vs. MPAs in Web Development How React Works with the Virtual DOM Introducing JSX in React Creating Complex JSX Elements Rendering Elements in React Challenge: Rendering Element React Component Props in React Challenge: Functional Components Conditional Rendering Challenge: Conditional Rendering - Chat Notification Challenge: Conditional Rendering - Bank Alert Rendering a Data Collection Challenge: Rendering a Data Collection Introduction to React Section Sum-Up

2. Styling in React Apps

Introduction to Styling in React Inline Styles Inline Styles in Practice Challenge: Inline Styles Styling with the CSS File Styling with the CSS File in Practice Challenge: Styling with the CSS File Styling with the CSS Modules File Folder Structure Organization Challenge: CSS Modules Styling in React Section Sum-Up

3. React Hooks and Context

Introduction: React Hooks and Context useState Hook Challenge: Toggling Visibility useRef Hook Challenge: Creating a Form Component useEffect Hook Challenge: Fetching and Displaying Data useMemo Hook Challenge: Car List Filtering Context Context in Practice Challenge: World of Astronomy App React Hooks and Context Section Sum Up

4. React in the Real World

Setting Up Environment Code Editor Setting Up the Project Folder Terminal Starting the Project React in the Real World Section Sum Up

Mastering React

Creating Complex JSX Elements

In the previous chapter, we explored the basics of JSX. Now, let's dive deeper and learn how to create more complex JSX elements.

The Rule of a Single Parent Element

One important rule when working with nested JSX is that it must return a single parent element. This parent element wraps all the other levels of nested elements. This rule ensures that React can properly render and manage the structure of your JSX. Here's a practical example to illustrate this rule:

Valid JSX:

Invalid JSX (Won't Transpile):

Note
When rendering multiple elements like this, we can wrap them all in parentheses () for clarity, but it's not strictly required. Also, remember that this concept applies when we return JSX elements in React components.

Example

Все було зрозуміло?

Секція 1. Розділ 5

Зміст курсу

Mastering React

1. Introduction to React Fundamentals

2. Styling in React Apps

3. React Hooks and Context

4. React in the Real World

Setting Up Environment Code Editor Setting Up the Project Folder Terminal Starting the Project React in the Real World Section Sum Up

Mastering React

Creating Complex JSX Elements

In the previous chapter, we explored the basics of JSX. Now, let's dive deeper and learn how to create more complex JSX elements.

The Rule of a Single Parent Element

Valid JSX:

Invalid JSX (Won't Transpile):

Note
When rendering multiple elements like this, we can wrap them all in parentheses () for clarity, but it's not strictly required. Also, remember that this concept applies when we return JSX elements in React components.

Example

Все було зрозуміло?

Секція 1. Розділ 5