Using html5 only, how do you disable a submit button until all fields in a form have been filled?

Question

html5 form. no css, JavaScript or jquery

Answer 1

You need JavaScript to do that:

https://code.sololearn.com/WBj2GwCtWnY2/?ref=app

Answer 2

There's a disabled attribute (like in Ulisses's code), but it won't do what you're saying you want to do without JavaScript, so use Ulisses's full code. 🙂

Answer 3

Ulisses Cruz thank you. haven't reached JavaScript yet so I thought there was a way to do that without it

Answer 4

Good thought ODLNT . 👍