Write a JavaScript code to create an array "Grades" with the following values: 45, 88, 67, 34, 51a) Find the average of these grades.b) If the average is between 75 and 100, display the average and...

Write a JavaScript code to create an array "Grades" with the following values: 45, 88, 67, 34, 51 a) Find the average of these grades. b) If the average is between 75 and 100, display the average and the message "VERY GOOD" otherwise if it is between 50 and 74, display the average and the message "GOOD", otherwise display the average and the message "FAIL"