Introduction to React

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Introduction to React

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

Using Params

We can access passed parameters in the URL using the useParams hook. Here is an example.

You can specify parameters in URLs using the colon operator followed by the name of the parameter :param. The parameter can be accessed inside the target component using the useParam hook. Notice how we enclose the bookid term inside braces { bookid } - it is because useParam returns an object and we retrieve the bookid by unpacking the object using this syntax.

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Section 7. Chapitre 4

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