javascript html

In one HTML document:

Please create an array of student names and another array of student grades.

Create a function that a user can input a name and a grade to the arrays. Please have input validation (letters for name and numbers for grades).

Keep Read student name and grade until user input is “???”.And save the reading by using a function

Create another function to show all the grade in that object.

Create the third function that can display the maximum grade and the student’s name.

Create a sorting function that can sort the arrays based on the student’s grade.

Display all the grades and names sorted by the grade.

Please do not create a seperate .js file! I’d like it in one html file.

 
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