Given the short-circuiting nature of logical operators in JavaScript, what will be the output of the expression false && someUndeclaredVariable?

Related Quiz

• The _______ method returns a Promise that resolves or rejects as soon as one of the promises in an iterable resolves or rejects, with the value or reason from that promise.
• A function declaration is hoisted to the top of the ________ in which it was defined.
• Which method would you use to add a new property to an object after it has been created?
• The method _______ is used to sort the elements of an array.
• While developing a web application, you create a class "Product" to hold the basic attributes of products in an e-commerce site. Later, you need to extend the functionality of some products which are on sale without altering the "Product" class. Which design pattern might be most appropriate to implement this additional functionality without modifying the existing "Product" class?