JavaScript Associate

Which method is used to attach an event listener to a DOM element?

JavaScript AssociateEasy

Try Now

What is the difference between null and undefined in JavaScript?

JavaScript AssociateEasy

Try Now

What does event.preventDefault() do?

JavaScript AssociateEasy

Try Now

Which method adds one or more elements to the end of an array and returns the new length?

JavaScript AssociateEasy

Try Now

What is event bubbling in JavaScript?

JavaScript AssociateEasy

Try Now

What does an arrow function expression NOT have compared to a regular function?

JavaScript AssociateEasy

Try Now

What does the String.prototype.trim() method do?

JavaScript AssociateEasy

Try Now

What does the === operator check in JavaScript?

JavaScript AssociateEasy

Try Now