Coding Help Tips Resources Tutorials
Google Apps Scripts and Web Development Tutorials and Resources by Laurence Svekis
Fetching data from an API and displaying it on a webpage is a foundational skill for any web developer. In this blog post, we’ll guide you through a simple example of fetching data from a REST API and dynamically outputting it on your webpage using JavaScript. This example covers: Let’s dive into the implementation! The … Read more
Functions What is a callback function? A) A function that is passed as an argument to another function.B) A function that returns another function.C) A function that is executed immediately after declaration.D) A function that calls itself. Answer: A) A function that is passed as an argument to another function. Explanation:A callback function is passed … Read more
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 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
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
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
Discover These 7 Amazing Books on JavaScript and Google Apps Script – Free on Kindle for a Limited Time! Looking to expand your programming skills or deepen your understanding of JavaScript and Google Apps Script? You’re in luck! For a limited time, you can grab seven incredible eBooks for free on Kindle. These books cover … Read more
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
Over 200+ coding examples and Exercises https://github.com/lsvekis/Complete-Guide-to-HTML5-Canvas-with-JavaScript HTML5 Canvas has revolutionized the way we create graphics on the web. This book is your ultimate guide to mastering Canvas with JavaScript, taking you from the basics of drawing simple shapes to building dynamic animations, interactive games, and sophisticated data visualizations. Whether you’re a web developer looking … Read more
Get this book Free NOW https://www.amazon.com/dp/B0DR4D8BSW January 6, 2025 January 10, 2025 https://www.amazon.com/dp/B0DR4D8BSW https://www.amazon.ca/dp/B0DR4D8BSW JavaScript Handbook Advanced Functions Summary “JavaScript Handbook: Advanced Functions” delves into the essential concepts and practices that elevate JavaScript from a basic scripting language to a tool for building sophisticated, maintainable, and scalable applications. Covering topics like higher-order functions, currying, composition, … Read more