Problem:
Question: Design and implement a JavaScript program to accomplish the following:
Case 1: Iterate and accept N test scores and N student names (where 10 <= N <= 20).
Case 2: Compute the sum and average of the scores (display these values).
Case 3: Determine the highest score (display this value).
Case 4: Determine the lowest score (display this value).
Case 5: Determine the letter grade of each score:
90-100 (A); 80 - 89 (b); 70 - 79 (C); 60 - 69 (D); 0 - 59 (F)
Case 6: Display a table showing each student's name, score, and letter grade.
Case 7: The highest and lowest scores should be highlighted with different colors.
Please show and describe your code.