JavaScript

What is JavaScript?

JavaScript is the programming language of the web. It enables interactive web pages and is an essential part of web applications. It runs in the browser and on servers (Node.js).

Essential Resources

• JavaScript.info - Comprehensive modern JavaScript tutorial
• MDN Web Docs - The definitive JavaScript reference
• Eloquent JavaScript - Free online book

Key Topics to Master

• Fundamentals: Variables, data types, operators, control flow
• Functions: Declarations, expressions, arrow functions, callbacks
• Objects & Arrays: Object literals, array methods, destructuring
• Async JavaScript: Promises, async/await, fetch API
• DOM Manipulation: Selecting elements, event handling, modifying content
• ES6+ Features: Modules, spread/rest, template literals, classes

Practice Platforms

• freeCodeCamp - JavaScript Algorithms and Data Structures
• Codewars - Coding challenges and kata
• Exercism - Practice with mentor feedback