Posts by wilhelm andreas • 1 point

• 0

  votes

  1

  answer

  35

  views

  Q: Help with a Javascript mask for a form

  One of the form fields requires the following validation: It must contain 6 numbers, the last of which must be the result of the sum of the others. If this sum is greater than 10, all digits of the…

  javascript html

  asked 6 years, 5 months ago wilhelm andreas 1