What does 'NaN' mean in JavaScript?

Which operator is used for addition in JavaScript?

What will '5' + 2 result in JavaScript?

Which function is used to round a number to the nearest integer?

What is the value of Math.PI in JavaScript?

Which function returns the square root of a number?

What does the Math.random() function return?

How can you find the largest of two numbers in JavaScript?

Which method is used to round a number down to the nearest integer?

Which is the correct syntax to increment x by 1 in Javascript?