Question 7 Which isNaN function returns true? IsNaN (1987) IsNAN ("987.654") ISNAN ("Turing") ISNAN (-123) isNAN (5-2) Question 8 5.56 pts The three parts of a "for loop" are: Variable: Boolean Expression: Counter Function: Condition: Statement Operator: Data: Condition O Prompt: Input; Alert None of the above