What is the name of the String prototype that appends the given string to the base string and returns the new string?

The _______ operator returns a string that identifies the type of its operand.

What is the value of x? var x = 2 + '2';

Which variable type does not exist in JavaScript?

What does Math.sqrt(-1) return?

How can you concatenate multiple strings?

Which statement creates a new object using the Person constructor? Which statement creates a new Person object called "student"?

Which statement is the correct way to create a variable called rate and assign it the value 100?

How is a forEach statement different from a for statement?

Which operator returns true if the two compared values are not equal?

________ is a standard for exchanging structured information over the web.