Learn JavaScript: Write Modern Code with JavaScript ESNext, 2nd Edition

Introduction

Learn JavaScript: Introduction

Lesson 1: What Is JavaScript?

Learning objectives
1.1 Learn what you can do with JavaScript
1.2 Look at JavaScript’s language features
1.3 Learn the pros and cons of JavaScript
1.4 Learn the JavaScript dialects and browser compatibility
1.5 Run code using a REPL
1.6 Learn basic JavaScript syntax

Lesson 2: Learn the 8 JavaScript Data Types

Learning objectives
2.1 Learn theTypes
2.2 Learn about JavaScript’s “number” type
2.3 Learn about JavaScript’s “string” type
2.4 Learn about JavaScript’s “boolean” type
2.5 Learn about JavaScript’s “object” type
2.6 Learn about arrays in JavaScript
2.7 Learn about JavaScript’s “function” type
2.8 Learn about JavaScript’s “undefined” type
2.9 Learn about JavaScript’s “bigint” type
2.10 Learn about JavaScript’s “symbol” type

Lesson 3: Learn Basic JavaScript Control Flow

Learning objectives
3.1 Learn about equality in JavaScript
3.2 Learn about if-statements in JavaScript
3.3 Learn about for-loops in JavaScript
3.4 Learn about while-loops and do-while loops in JavaScript
3.5 Handle and throw errors in JavaScript
3.6 Learn about switch-case blocks in JavaScript
3.7 Learn about ternary operators in JavaScript
3.8 Learn the difference between block-scoped and function-scoped variables

Lesson 4: Learn Object-Oriented Programming in JavaScript

Learning objectives
4.1 Learn about JavaScript classes
4.2 Learn about prototype-based inheritance
4.3 Learn about “this” keyword in JavaScript

Lesson 5: Work with Arrays and Objects

Learning objectives
5.1 Use built-in object functions
5.2 Use built-in array functions

Lesson 6: Learn JavaScript ES6+ Syntax

Learning objectives
6.1 Write functions using “arrow syntax”
6.2 Set default values for function arguments
6.3 Learn about the “spread operator”
6.4 Use object destructuring to get object properties
6.5 Use Interpolation to insert data into strings
6.6 Learn the Import and Export code in JavaScript

Lesson 7: Write and Run a JavaScript Program

Learning objectives
7.1 Learn about writing and running JavaScript programs
7.2 Write a JavaScript program for the browser
7.3 Move JavaScript to an external script
7.4 Install Node.js and NPM
7.5 Write a Node script
7.6 Use Babel to transpile code

Lesson 8: Work with Asynchronous Code in JavaScript

Learning objectives
8.1 Use callbacks to handle asynchronous operations
8.2 Use Promises to handle asynchronous operations
8.3 Use Async/Await to handle asynchronous operations

Lesson 9: Create a Web Server with JavaScript

Learning objectives
9.1 Learn the basics of writing a Node server
9.2 Create and set up a Node.js project
9.3 Create and run a basic Express server
9.4 Create and test a GET endpoint
9.5 Read a file with the ‘fs’ package
9.6 Create and test a POST endpoint

Lesson 10: Learn JavaScript Best Practices

Learning objectives
10.1 Use ESLint to ensure code style
10.2 Ensure immutability in JavaScript programs
10.3 Avoid loops when working with arrays

Lesson 11: Use GenAI Tools for JavaScript Development

Learning objectives
11.1 Use ChatGPT to write JavaScript code
11.2 Use Google Gemini to write JavaScript code
11.3 Integrate GitHub Copilot into your IDE

Summary

Learn JavaScript: Summary