HTML and JavaScript

This project is a webpage that allows the user to input a number grade and the webpage will return the letter grade based on a 10 point grading scale. Use an IF/Else statement to get the answer. Put the script for the IF/Else into a function that can be called by a document.write or a form button. The output can be an alert method or a document.write statement that calls the function.Use a switch case to decide what color the user inputs into a prompt method. The user should be asked what their favorite color is between Red, Blue, or Green. Put the code into a second function and outputs to an alert method.