This script allows you to specify certain form elements as “required” or “non-required” and also what specific type they have: text, password, numeric, zip code etc. The script automatically checks all required elements in order to make sure that they are NOT only empty before allowing the form submission, but also that the surfer entered a valid type value. The JS AFV is an excellent tool for web developers who: Write form validations Want to save a lot of time up front Look for a very powerful tool for the creation of forms