write a javascript for below questions.

Learning Goal: I’m working on a javascript practice test / quiz and need an explanation and answer to help me learn.

  • 1. Display numbers
    • Write a JavaScript that prints all the numbers from 1 to 20 on a page when it loads.
    • Use a loop, do not just write the numbers
  • 2.Prompt for name
    • Write a script that asks the user for their name (use prompt)
    • Then display the name in a confirm box and ask if correct
    • If it is correct, display a message on the page that says “Welcome “ followed by the name.
    • If it is not correct, loop through and ask for input again
  • 3.Enter your grade
    • Ask the user for a number between 1-100
    • If the user enters 90-100 display A
    • If the user enters 80-89 display B
    • If the user enters 70-79 display C
    • If the user enters 60-69 display D
    • If the user enters below 60 display F
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