How can I add form validation for empty input fields?

Learn how to add form validation for empty input fields with JavaScript.

Read on how to do it in this link: https://www.w3schools.com/howto/howto_js_validation_empty_input.asp

Form Validation For Empty Inputs

Try it yourself here: https://www.w3schools.com/howto/tryit.asp?filename=tryhow_js_validation_empty_input