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Google Apps Scripts and Web Development Tutorials and Resources by Laurence Svekis
What is the difference between == and === in JavaScript? What is the difference between var, let, and const in JavaScript? What is the difference between an object and an array in JavaScript? What is the difference between a function declaration and a function expression in JavaScript? What is the difference between a closure and … Read more
JavaScript Quiz Questions and Answers 2 What is a closure in JavaScript and how do you create one?What is the difference between == and === in JavaScript?How do you declare a variable in JavaScript?What is the difference between null and undefined in JavaScript?How do you check if a variable is an array in JavaScript?What is … Read more
JavaScript Quiz Questions and Answers What is a closure in JavaScript and how do you create one?What is the difference between == and === in JavaScript?How do you declare a variable in JavaScript?What is the difference between null and undefined in JavaScript?How do you check if a variable is an array in JavaScript?What is the … Read more
Randomize the order of an array in JavaScript To randomize the order of an array in JavaScript, you can use the following code: function shuffleArray(array) { for (let i = array.length – 1; i > 0; i–) { const j = Math.floor(Math.random() * (i + 1)); [array[i], array[j]] = [array[j], array[i]]; } return array; } … Read more
In JavaScript, strict mode is a feature that allows developers to place their code into a stricter operating context, which helps prevent certain coding mistakes and makes the code more secure. When strict mode is enabled, the JavaScript interpreter will enforce a stricter set of rules and throw more errors when potential issues arise. Some … Read more
Learn to Code JavaScript Find the largest number in an array:Check if a string is a palindrome:Calculate the sum of an array:Check if a number is even or odd:Reverse a string:Find the factorial of a number:Write a function to check if a given number is even or odd.Write a function to reverse a string.Write a … Read more
Autocomplete with JavaScript Provide suggestions from input field – Autocomplete on form field input <!DOCTYPE html> <html> <head> </head> <body> <input id=”inputField”> <div id=”listContainer”></div> <script> // Define the pre-populated array of values const prePopulatedArray = [“Apple”, “Banana”, “Cherry”, “Date”, “Elderberry”, “Fig”, “Grape”]; // Get the input field and list container const inputField = document.getElementById(“inputField”); const … Read more
JavaScript Interview Questions and Examples 3 What is the difference between null and undefined in JavaScript? 1 What are closures in JavaScript? 2 How can you check if a variable is an array in JavaScript? 2 Null and undefined are both primitive data types in JavaScript. However, null is an intentional absence of any object … Read more
JavaScript Interview Questions and Examples 2 What is closure in JavaScript? Give an example. 1 What is the difference between var, let, and const in JavaScript? 2 What is closure in JavaScript? Give an example. A closure is a function that has access to its outer function’s scope, even after the outer function has returned. … Read more
JavaScript Interview Questions and Examples 1 What is the difference between null and undefined in JavaScript? 1 What are the different data types in JavaScript? 2 What is a closure in JavaScript? 2 What is the difference between null and undefined in JavaScript? null represents the intentional absence of any object value, while undefined represents … Read more