How can I restrict the number of alphabets in type="text" in form in HTML?

Question

Using maxlength attribute in html,I cannot able to restrict the number of alphabets.Only I can able to restrict the number of digits

Answer 1

Study this example
https://code.sololearn.com/W0GHeGHB7V7V/?ref=app

Answer 2

I don't think it's possible without JavaScript