Kursinnhold

Introduction to React

1. Getting Started: ES6

Why React?Node.js and npm ES6 Variables ES6 Arrow Functions ES6 Map Method ES6 Destructuring ES6 Spread Operator ES6 Ternary Operator

2. Getting Started: JSX

JSX Introduction JSX Variables & Nested Elements JSX Embedding Expressions JSX Specifying Attributes Getting Started with React

3. React in Practice

Getting familiar with JSX Writing more Complex Elements using JSX Creating a React-Based Project Structure of a React Project

4. React Components

Introduction to Components Functional Components Creating React Components Importing Components

5. Controlling Data & Content

Passing Data into Components Conditional Rendering Loop Based Rendering Keys in Lists Event Handling Creating a TODO Application

6. Hooks

Introduction to Hooks Using the State Hook The Effect Hook Rules of Using Hooks Creating Custom Hooks Fixing the Todo Application

7. React Router

Introduction to React Router Route-Based Rendering Creating Navigation Bars Using Params

Creating Navigation Bars

The Link component can be used for creating hyperlinks to URL paths. Whenever dealing with React Routing, we use Link instead of <a href...>.

Following is an example of a navigation bar (drag the slider to view the code or preview):

Everything is enclosed in the BrowserRouter component as it should, and inside it, we have an unordered list that represents the navigation bar.

Each item of the navigation bar is a Link element. Whenever we click an item, it changes the URL.

However, that is not enough, we need the logic to render the relevant component based on the URL.

We use the <Routes> for rendering the relevant component.

If we look at the application, it should be something like this:

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Seksjon 7. Kapittel 3

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