JavaScript

JavaScript Interview Questions with Answers Test your Knowledge Learn JavaScript PDF download Guide

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What is the difference between let and const in JavaScript?What is a callback function in JavaScript?What is the difference between “null” and “undefined” values in JavaScript?What is event bubbling in JavaScript?What is a closure function in JavaScript?What is the difference between “call” and “apply” methods in JavaScript?What is a promise in JavaScript?What is the difference … Read more

Top 10 JavaScript Interview Questions Download PDF Guide

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10 JavaScript Interview Questions What is JavaScript, and what are its main features?What is the difference between let, const, and var?What is the difference between synchronous and asynchronous JavaScript, and how do you handle asynchronous operations?What is a closure, and how can you use it in JavaScript?What is the event loop, and how does it … Read more

110 JavaScript Quiz Questions with solutions PDF download Test your Knowledge

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110 JavaScript Quiz Questions Test your Knowledge of JavaScript code examples and solutions to questions about JavaScript #javascript #JavaScriptQuiz #QuizTime #WebDevelopment #CodingChallenge #Programming #FrontEndDevelopment #JavaScriptCoding #TechTrivia #JavaScriptSkills #CodeChallenge #JavaScriptBasics #JavaScript101. What does the “forEach” method do in JavaScript?What does the “NaN” value represent in JavaScript?What does the “this” keyword refer to in JavaScript?What does the … Read more

HTML5 Canvas JavaScript Code Examples

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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

JavaScript DOM examples

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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 and Solutions PDF Guide Quiz test your knowledge of JavaScript

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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 Method Coding Examples

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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

Over 50 JavaScript Coding Examples and Useful Code Snippets

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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

Useful Code Snippets with JavaScript Learn more Code

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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

10 Common JavaScript Questions with Code Solutions Free Lesson Learn JavaScript

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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