Posts by Douglas Florindo de Assis • 11 points

• 0

  votes

  1

  answer

  27

  views

  Q: I need to compare variables with the lack of information

  I am creating a form and need to alert the user when a field is not filled. I am trying to use the if to make this comparison, I have tried to compare with null and it did not work. my code is like…

  javascript if

  asked 4 years, 9 months ago Douglas Florindo de Assis 11