Coding Help Tips Resources Tutorials
Google Apps Scripts and Web Development Tutorials and Resources by Laurence Svekis
Question 11 What will the following code output? console.log(1 + “2” + “2”); a) 5b) “32”c) “122”d) NaN Answer: c) “122” Explanation: When adding a number to a string, JavaScript performs string concatenation. 1 + “2” results in “12”, and then “12” + “2” results in “122”. Question 12 What is the output of the … Read more
Question 1 What is the output of the following code? console.log(typeof NaN); a) “number”b) “string”c) “undefined”d) “NaN” Answer: a) “number” Explanation: In JavaScript, NaN (Not-a-Number) is actually of the type number. This is a special value that results from operations that don’t yield a valid number. Question 2 What does the following code snippet do? … Read more
Landing a job as a JavaScript developer can be a rewarding career move, but the interview process can be challenging. To help you prepare and stand out from the competition, here are ten essential tips for acing your JavaScript developer interview. 1. Master the Fundamentals Before diving into complex frameworks and libraries, ensure you have … Read more
🚀 Free on Kindle Until June 8th, 2024! 🚀 Get source code for this book at https://github.com/lsvekis/FrontEnd-Code-PlayGround Amazon US https://www.amazon.com/dp/B0D2G6BG3J CAN https://www.amazon.ca/dp/B0D2G6BG3J “FrontEnd Code Playground: HTML, CSS, and JavaScript Exercises to Develop Your Skills” is a comprehensive guide designed to accelerate your learning journey in front-end development. Authored by Laurence Lars Svekis, a seasoned web … Read more
JavaScript is a powerful and versatile language, but it comes with its own set of quirks and oddities. Understanding these can help you write better code and debug issues more effectively. Here are ten lesser-known JavaScript quirks, complete with detailed examples. 1. Type Coercion in Comparisons JavaScript performs type coercion when comparing values with == … Read more
Understanding JavaScript’s Quirks and Features for Beginners JavaScript is a versatile and powerful language, but it comes with its own set of quirks and features that can sometimes confuse beginners. Let’s dive into some of these key aspects to help you get a better understanding. 1. Execution Contexts and Lexical Environments Execution Context: This is … Read more
JavaScript by Example: 350 Code Examples to Master Your Coding Skills (Power Up your Coding Skills) “JavaScript Coding Examples” is an indispensable guide crafted meticulously by Laurence Svekis, a veteran web developer and educator with over two decades of experience. This book serves as both a learning tool and a practical reference for JavaScript enthusiasts, … Read more
US https://www.amazon.com/dp/B0D345LCHS CAN https://www.amazon.ca/dp/B0D345LCHS “JavaScript Coding Examples” is an indispensable guide crafted meticulously by Laurence Svekis, a veteran web developer and educator with over two decades of experience. This book serves as both a learning tool and a practical reference for JavaScript enthusiasts, from beginners to seasoned programmers. The core of this resource is its … Read more
The Role of Promise.all Promise.all is a powerful method that takes an iterable of Promise instances as an input and returns a single Promise that resolves when all of the input Promises have resolved, or rejects as soon as one of the input Promises is rejected. This method is particularly useful for handling multiple asynchronous … Read more
