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Google Apps Scripts and Web Development Tutorials and Resources by Laurence Svekis
Common JavaScript Interview Questions Question: What is JavaScript, and how does it differ from Java? Question: Explain the difference between let, const, and var. Question: What is the significance of closures in JavaScript? Question: How does asynchronous JavaScript work, and what is the event loop? Question: Explain the concept of hoisting. Question: What is the … Read more
Let’s dive into the fascinating world of JavaScript prototypes. Understanding prototypes is key to unleashing the full potential of JavaScript and building scalable, efficient code. Why Prototypes Matter: Prototypes allow you to create shared properties and methods among objects, fostering a streamlined and organized code structure. They form the backbone of JavaScript’s object-oriented nature, enabling … Read more
Mastering JavaScript: Mapping, Reducing, and Filtering Mapping the values of an array in JavaScript is a powerful technique that involves applying a function to each element of an array, creating a new array with the results. Let’s dive into a detailed explanation with coding examples: Understanding Array Mapping: 1. Introduction: Mapping is a fundamental operation … Read more
Learn JavaScript Basic Functions Let’s delve into the world of basic functions in JavaScript. Functions are fundamental building blocks in JavaScript that allow you to group code into reusable units. Here’s an in-depth exploration with coding examples: 1. Function Declaration: Description: Function declarations define a function and are hoisted to the top of the containing … Read more
JSON (JavaScript Object Notation) for JavaScript Learners JSON is a lightweight data interchange format that is easy for humans to read and write and easy for machines to parse and generate. It is often used to transmit data between a server and web application, as well as for configuration files. Key Characteristics: Data Format: Data … Read more
Elevate Your JavaScript Skills DOM Element Selection as Objects Selecting Elements as Objects: Learn how to use the Document Object Model (DOM) to access and manipulate HTML elements. Understand methods like getElementById, getElementsByClassName, getElementsByTagName, querySelector, and querySelectorAll. Manipulating Element Content: Explore techniques to change text content, create and append new elements dynamically, and remove elements … Read more
Mastering JavaScript: Selecting Page Elements Selecting page elements in JavaScript is a fundamental skill that allows you to interact with and manipulate the content of a webpage. To select elements, you can use various methods provided by the Document Object Model (DOM). The DOM represents the structure of a document as a tree of objects, … Read more
Ever wondered why you can use a variable or call a function before it’s declared in your code? That’s hoisting in action! 1. Variable Hoisting: Variables declared with var are hoisted to the top of their scope during the compilation phase. However, only the declaration is hoisted, not the initialization. So, if you try to … Read more
Mastering URI Handling in JavaScript: EncodeURI() and DecodeURI() Let’s explore two essential functions in JavaScript – encodeURI() and decodeURI(). Understanding these functions is crucial when dealing with Uniform Resource Identifiers (URIs) such as URLs. 1. encodeURI() – Safeguarding Your URIs: encodeURI() is a handy function that ensures proper formatting and safety when dealing with entire … Read more
🚀 Mastering JavaScript: Nested Functions and Closures 🚀 Are you ready to deepen your understanding of JavaScript’s core concepts? Let’s explore the world of nested functions and closures – powerful features that enhance modularity and encapsulation in your code. Here’s a brief overview: 1. Nested Functions: By defining functions within other functions, you create a … Read more