What keyword is used to check whether a given property is valid or not?

Upon encountering empty statements, what does the Javascript Interpreter do?

The process in which an object or data structure is translated into a format suitable for transferral over a network, or storage is called?

How do we write a comment in javascript?

What does the Javascript “debugger” statement do?

Which of the following is not a Javascript framework?

What keyword is used to declare an asynchronous function in Javascript?

When an operator’s value is NULL, the typeof returned by the unary operator is:

Before inserting anything in your document, you should always click on the selection tool & then click on the ?

How can a datatype be declared to be a constant type?