JavaScript DOM lessons

Intermediate JavaScript Guide

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1. Functions in JavaScript 1.1 Callbacks A callback function is a function passed into another function as an argument, to be executed at a later time or in response to an event. This is a fundamental concept in asynchronous JavaScript (e.g., handling responses from fetch calls, setTimeout, event listeners, etc.). <details> <summary>Example of a callback</summary> … Read more

Parsing and Stringifying JSON

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Parsing and Stringifying JSON JSON (JavaScript Object Notation) is a lightweight data-interchange format that is easy for humans to read and write and easy for machines to parse and generate. In this chapter, we’ll explore the powerful methods JSON.parse() and JSON.stringify() to work with JSON in JavaScript. We’ll also cover practical examples, use cases, and … Read more

try catch Statements in JavaScript

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In JavaScript, the try…catch statement is used to handle errors gracefully. Instead of stopping the execution of your code when an error occurs, it allows you to “catch” the error and execute alternative code to handle it. This is especially useful for debugging and building resilient applications. 1. Syntax of try…catch try {   // Code … Read more

Event Propagation and Delegation in JavaScript

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JavaScript events follow a structured flow within the DOM, known as event propagation, which includes two main phases: capturing and bubbling. Event delegation leverages this flow to efficiently handle events on multiple child elements using a single event listener on a parent. 1. Event Propagation 1.1. Capturing Phase Example: document.body.addEventListener(   “click”,   () => console.log(“Capturing phase”), … Read more

Free Chapters JavaScript Code Foundations for Beginners

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JavaScript Code Foundations for Beginners is your ultimate hands-on guide to mastering the core concepts of programming through practical, real-world exercises. Whether you’re a complete beginner eager to dive into coding or someone looking to strengthen your foundation, this book provides the tools, knowledge, and confidence to succeed in the world of software development. This comprehensive … Read more

Free First Chapters JavaScript DOM Manipulation: Interactive Web Development with JavaScript (Advanced Core JavaScript Mastery Series)

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The Document Object Model (DOM) is the foundation of dynamic and interactive web pages, allowing developers to programmatically interact with a webpage’s structure and content. “JavaScript DOM Manipulation” is your comprehensive guide to mastering this essential technology. https://www.amazon.com/dp/B0DR3G43B9 or CAN https://www.amazon.ca/dp/B0DR3G43B9 This book begins by introducing the basics of the DOM tree, covering topics like parent-child relationships, node types, and … Read more

First Chapters Free Complete Guide to HTML5 Canvas with JavaScript: Understanding HTML5 Canvas with 200+ code examples

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https://www.amazon.com/dp/B0DRTL51KX “Complete Guide to HTML5 Canvas with JavaScript” is your comprehensive resource for unlocking the power of the Canvas API in web development. Designed for developers of all skill levels, this book takes you on an exciting journey through the versatile world of Canvas, starting from the fundamentals and progressing to advanced techniques. Whether you’re creating … Read more

Comprehensive Guide to AI with Vanilla JavaScript

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Welcome to this comprehensive guide on implementing Artificial Intelligence (AI) using Vanilla JavaScript. This guide is tailored to help you understand how to build AI applications without relying on external frameworks or libraries. We’ll cover everything from getting started, understanding the core concepts, practical examples, code samples, quizzes with answers, and coding exercises. By the … Read more

Comprehensive Guide to JavaScript DOM (Document Object Model)

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Welcome to this extensive guide on the JavaScript Document Object Model (DOM). Whether you’re a beginner or looking to deepen your understanding, this guide is designed to help you master DOM manipulation using JavaScript. We’ll cover everything from the basics to advanced topics, complete with practical examples, coding exercises, quizzes, and valuable tips and tricks. … Read more

APIs and RESTful Services: Comprehensive Guide

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APIs and RESTful Services: Comprehensive Guide APIs (Application Programming Interfaces) and RESTful Services are crucial for building modern web applications. This guide introduces APIs, REST principles, HTTP methods, and how to interact with APIs using JavaScript. It includes examples, exercises, and multiple-choice questions. What is an API? An API is a set of rules that … Read more