Coding Help Tips Resources Tutorials
Google Apps Scripts and Web Development Tutorials and Resources by Laurence Svekis
Coding Exercises on JavaScript Functions Basic Function Definition and Invocation Task: Write a JavaScript function named greet that prints “Hello, World!” to the console. Purpose: Learn how to define and call a simple function. Sample Code: function greet() { console.log(“Hello, World!”); } greet(); // Function invocation Explanation: This exercise demonstrates the basic structure of a … Read more
Discover the Latest in JavaScript Mastery with Two Best-Selling Guides 1. Mastering JavaScript 100+ Exercises: A Hands-On Guide to Real-World Skills Author: Laurence Lars Svekis In the rapidly evolving world of technology, “Mastering JavaScript 100+ Exercises” stands out as a comprehensive guide aimed at transforming beginners into proficient JavaScript developers. This book is part of … Read more
JavaScript objects are a fundamental part of the language and are used to store collections of data and more complex entities. Often, you’ll need to iterate over an object to utilize its properties. Below, we explore different ways to achieve this. Method 1: Using for…in Loop The for…in statement loops through the properties of an … Read more
In JavaScript, error handling is commonly done using the try…catch statement. The try block lets you test a block of code for errors, while the catch block lets you handle the error. Here are a few examples that demonstrate how to use catch to handle errors in different scenarios: 1. Basic try…catch try { // … Read more
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In this tutorial, we’ll explore how to build a web application that allows users to load an image into an HTML canvas, draw on it, and then save their masterpiece. This feature is perfect for applications that require user interaction on images, such as photo editing tools, signature apps, and more. What You Will Need … Read more
Laying the Foundation Welcome to the exciting journey of mastering JavaScript through hands-on coding exercises! Before we dive into the exercises themselves, it’s essential to set a strong foundation. This chapter will introduce the core topics and concepts covered in the exercises, ensuring you’re well-prepared to tackle them head-on. We’ll go through the prerequisites, tools … Read more
In the world of programming, control structures serve as the fundamental building blocks that dictate the flow and logic of a program. Whether you’re a beginner or an experienced coder, mastering control structures is essential for writing efficient and error-free code. Let’s delve deeper into what control structures are, how they work, and why they … Read more
🕒 Unraveling Asynchronous JavaScript: Dive Into Promises, Async/Await, and Beyond! 🕒 Asynchronous JavaScript is the cornerstone of modern web development, enabling complex operations like data fetching, timer-based actions, and parallel processing without blocking the main thread. To boost our collective journey into this crucial JavaScript feature, I’ve crafted a series of exercises: – Grasp the … Read more
Basic Arithmetic Operations Image: Output of Basic Arithmetic Operations into the console Objective: To familiarize the student with basic arithmetic operations in JavaScript and the usage of variables. Topics Covered: Code: // Objective: Perform arithmetic operations and store their results in variables. // 1. Declare two variables, a and b, and assign them values of … Read more