Blank field even if the field is required

I am working with a form in which i take the password input from the user and then javascript checks if the passwords match. But even if the password is required, the form gets submitted if the input box is left empty. I am using javascript to submit the form. 

Hello there,

Could you please be so kind to share your Jotform form URL so we can check?

https://www.jotform.com/help/401-where-to-find-my-form-url