Google Apps Scripts and Web Development Tutorials and Resources by Laurence Svekis
Downloadable PDF included JavaScript interview questions with answers: What is closure in JavaScript and how does it work? Answer: Closure is a feature in JavaScript where a function has access to its outer scope even after the outer function has returned. It is created when a function is defined inside another function, and the inner … Read more
JavaScript interview questions with code examples: What is hoisting in JavaScript and how does it work? console.log(hoistedVariable); // undefined var hoistedVariable = ‘This is a hoisted variable’; console.log(notHoisted); // ReferenceError: notHoisted is not defined let notHoisted = ‘This is not a hoisted variable’; What is closure in JavaScript and how is it useful? function outerFunction(x) … Read more
JavaScript interview questions with answers: What is closure in JavaScript and how does it work? Answer: Closure is a feature in JavaScript where a function has access to its outer scope even after the outer function has returned. It is created when a function is defined inside another function, and the inner function retains access … Read more
JSON.stringify JSON.stringify is a method in JavaScript used to convert a JavaScript object into a JSON string. JSON stands for JavaScript Object Notation and is a lightweight data interchange format used for exchanging data between systems. Here are some examples of using JSON.stringify: Converting a JavaScript object to a JSON string: const person = { … Read more
A template literal in JavaScript is a type of string literal that allows for embedded expressions, represented by expressions inside ${}. They are indicated by using backticks (“) instead of quotes (” or ‘). Example: const name = “John”; const sentence = `Hello, my name is ${name}.`; console.log(sentence); // Output: “Hello, my name is John.” … Read more
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The JavaScript Document Object Model (DOM) is a programming interface for HTML and XML documents. It represents the structure of a document as a tree of objects, with each object (or “node”) representing a part of the document, such as an element, an attribute, or text content. The DOM allows developers to access and manipulate … Read more
Create Page Elements with JavaScript How to Create Page Elements and make them Interactive with Event LIsteners There are several ways to create page elements with JavaScript, including: Using the document.createElement() method, which creates a new element with the specified tag name. For example, the following code creates a new div element: let newDiv = … Read more
