Just need a simple code Using html and javascript

Based upon what we learned, add JavaScript code and events to a grading HTML page so that all the calculations are done properly and correctly. You should be able to enter student scores for each category and then calculate a grade based on the percentage split. The grading criteria for the course are as follows. Assessment Number of Assessment 10 Max Points per Assessment 25 10 10 2 100 Lab assignment Quiz Exam Project Extra credit Participation 1 100 1 25 15 5 = Total earned % points = 30% of lab assignments + 10% of quizzes + 30% of exams + 20% of project + 5% of extra-credit + 10% of participation The grade is determined using the table below. Grade A B Earned % Points >90 > 80 but 70 but 60 but