javascript-primitive-booleans-undefined-null

Question 1

What is a boolean?

Answer 1

data type with two possible values: true or false.

Question 2

What is a comparison operator?

Answer 2

operators that compare values and return true or false . The operators include: > , < , >= , <= , === , and !==

Question 3

What is the difference between undefined and null?

Answer 3

null=no value

undefined= undeclared, intentionally left empty