Modify the file first_loop.htm so that there is a second text field asking the user how many times they want to be greeted, stipulating that it must be between 1 and 20. Then greet them that many times.

Validation: Confirm that value was indeed between 1 and 20. If it is not, output a message reminding them that they must enter a value between 1 and 20, and then do not continue with the function (make the function end). Hint: Remember that a 'return' staement will a function.

If the user enters invalid input, then output the appropriate message (e.g. "You must enter a number between 1 and 20") to a div section called 'errors'. Also set the background color of the invalid text field to yellow.

Note: Each time the user clicks the button, you should remove any output from a previous run of the program. If any errors are present, you should remove any error messages, and remove the yellow background from the text field (by setting the background color to white).

Type in your name and I will greet you 3 times!

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