Modify the file first_loop.htm so that there is a second textfield asking the user how many times they want to be greeted,stipulating that it must be between 1 and 20. Then greet them thatmany times.
Validation: Confirm that value was indeed between 1 and 20. Ifit is not, output a message reminding them that they must enter avalue between 1 and 20, and then do not continue with the function(make the function end). Hint: Remember that a ‘return’ statementwill a function.
If the user enters invalid input, then output the appropriatemessage (e.g. “You must enter a number between 1 and 20”) to
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