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Which method is used to add a class to an HTML element in JavaScript?
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JavaScript Quiz
Take our JavaScript Quiz Test to evaluate your programming skills. Explore a range of JavaScript questions and find answers to enhance your proficiency.
Topics covered in this JavaScript Quiz
Introduction to JavaScript
Basic JavaScript Syntax
Functions in JavaScript
Arrays and Objects
DOM Manipulation
Asynchronous JavaScript
Error Handling
ES6 and Beyond
Modules and Packaging
Testing in JavaScript
JavaScript Frameworks and Libraries
React.js
Vue.js
Angular.js
Node.js
Express.js
TypeScript
JavaScript Promises and Async/Await
JavaScript Debugging
JavaScript Security
JavaScript Performance Optimization
Few Questions in JavaScript Quiz
What is the purpose of the 'typeof' operator in JavaScript?
What is the purpose of the 'reduce' method in JavaScript?
What is the result of the expression '3 * '2' + 1' in JavaScript?
Which statement is used to exit a switch statement in JavaScript?
How do you declare a variable in JavaScript?
What does the 'NaN' in JavaScript stand for?
How do you declare a function in JavaScript?
What is the purpose of 'Array.prototype.map()' in JavaScript?
Which method is used to add a class to an HTML element in JavaScript?
How do you create a class in JavaScript?
Which method is used to change the content of an HTML element in JavaScript?