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Google Apps Scripts and Web Development Tutorials and Resources by Laurence Svekis
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
Create a Game HTML5 Canvas Simple Catcher Game JavaScript https://www.udemy.com/course/javascript-html-game/ Explore how you can create an HTML5 Canvas based game from scratch using JavaScript Step by Step game creation Do you want to learn how to make Games online ???? Start here – perfect to see how a game can be created from scratch using … Read more
Make a JavaScript Game – Create your first HTML5 Canvas JavaScript web based game from scratch explore how make a game Make your own games online – start with this amazing simple game project creating a Breakout game from scratch Explore how you can write code to create GAMEs – Games that run within any … Read more
5 JavaScript coding Exercises 2 FizzBuzzPalindrome checkerHangman gameShopping cartTyping speed test FizzBuzz Source code: for (let i = 1; i <= 100; i++) { if (i % 3 === 0 && i % 5 === 0) { console.log(‘FizzBuzz’); } else if (i % 3 === 0) { console.log(‘Fizz’); } else if (i % 5 === … Read more