JavaScript HTML5 Canvas Examples Drawing a rectangleDrawing a circleDrawing a lineDrawing textDrawing an imageSetting the fill styleSetting the stroke styleDrawing a pathSetting the line widthSetting the line cap style Drawing a rectangle <canvas id=”myCanvas”></canvas> const canvas = document.getElementById(‘myCanvas’); const ctx = canvas.getContext(‘2d’); ctx.fillRect(10, 10, 50, 50); This code creates a canvas element with an id … Read more
Creating an elementAppending an elementRemoving an elementChanging an element’s text contentChanging an element’s HTML contentModifying an element’s attributesAccessing an element’s attributesAdding an event listener to an elementRemoving an event listener from an elementTraversing the DOM JavaScript DOM Examples Creating an element const newElement = document.createElement(‘div’); This code creates a new div element in the DOM. … Read more
100+ JavaScript Questions ANSWERS What is the difference between null and undefined in JavaScript? null represents a deliberate non-value or empty object reference, while undefined represents an uninitialized or missing value. What is the purpose of the “use strict” directive in JavaScript? The “use strict” directive is used to enable strict mode, which enforces stricter … Read more
JavaScript array methods are built-in functions that can be used to manipulate arrays in various ways. These methods allow developers to perform common operations on arrays, such as adding or removing elements, sorting and filtering elements, and transforming arrays into new arrays. JavaScript array methods are built-in functions that are used to manipulate arrays in … Read more
JavaScript Helpful Code Snippets https://www.linkedin.com/pulse/10-helpful-javascript-code-snippets-laurence-svekis- Write a function that reverses a string in JavaScript.Write a function that checks whether a given string is a palindrome in JavaScript.Write a function that returns the factorial of a given number in JavaScript.Write a function that finds the largest number in an array in JavaScript.Write a function that sorts … Read more
Write a function that converts a number to a string with commas separating thousands in JavaScript.Write a function that removes the first occurrence of a specified element from an array in JavaScript.Write a function that returns the last n elements of an array in JavaScript.Write a function that generates a random alphanumeric string of a … Read more
Write a function that converts a string to title case (i.e., capitalizes the first letter of each word) in JavaScript.Write a function that calculates the sum of all digits in a given integer in JavaScript.Write a function that removes all whitespace from a given string in JavaScript.Write a function that checks whether a given year … Read more
Write a function that removes all duplicate elements from an array in JavaScript.Write a function that calculates the nth Fibonacci number in JavaScript.Write a function that returns the maximum value in an array without using the Math.max() method in JavaScript.Write a function that checks whether a given string is a palindrome (i.e., reads the same … Read more
Write a function that checks whether two given strings are anagrams in JavaScript.Write a function that calculates the average of all numbers in an array in JavaScript.Write a function that converts a string to title case (i.e., the first letter of each word capitalized) in JavaScript.Write a function that returns the number of vowels in … Read more
Write a function that reverses a string in JavaScript.Write a function that checks whether a given string is a palindrome in JavaScript.Write a function that returns the factorial of a given number in JavaScript.Write a function that finds the largest number in an array in JavaScript.Write a function that sorts an array of numbers in … Read more
