JavaScript

Free First Chapters JavaScript by Doing: Over 100 Hands-On Coding Challenges for Mastering JS

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US https://www.amazon.com/dp/B0D2S46V93 Canada https://www.amazon.ca/dp/B0D2S46V93 Kindle Book is FREE until Thursday, May 2 2024! Free Kindle Offer for “JavaScript by Doing” Great news for aspiring JavaScript developers! For a limited time, “JavaScript by Doing: Over 100 Hands-On Coding Challenges for Mastering JS” by Laurence Lars Svekis is available for free on Kindle until May 2, 2024. … Read more

Mastering JavaScript: Control Structures and Data Handling

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JavaScript, as the backbone of interactive web development, offers a rich suite of control structures and data handling mechanisms that are essential for creating dynamic and responsive applications. This blog post will delve into the fundamental aspects of JavaScript control structures, including loops and conditionals, and explore the intricacies of data handling using arrays, objects, … Read more

Error handling and debugging in JavaScript

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Coding Exercises on JavaScript Error Handling and Debugging Basic try…catch Implementation Task: Write a JavaScript function that attempts to parse a JSON string and uses try…catch to handle any errors that arise. Purpose: Understand how to catch and handle errors gracefully in a controlled manner. Sample Code: function parseJSON(jsonString) {     try {         let jsonObj = … Read more

Learn JavaScript Functions

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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

Amazon Hot New Releases New Releases in Application Development

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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

Looping Over Key-Value Pairs in JavaScript

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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

Free Book Mastering JavaScript 100 Exercises: A Hands-On Guide to Real-World Skills

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Free on Kindle April 3-5th 2024 Get on Kindle US https://www.amazon.com/dp/B0CZKZLX67 Kindle CAN https://www.amazon.ca/dp/B0CZKZLX67 Dive deep into the world of JavaScript with this comprehensive guide, designed to transform beginners into proficient developers. “Mastering JavaScript 100+ Exercises” is not just another programming book; it’s a practical journey through the vast landscape of JavaScript development, offering over … Read more

How to Load, Draw on, and Save Images with HTML Canvas

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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

JavaScript Basics

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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