Disable form/textfield history

Hi all,

Maybe this isn’t even a rails related question but hopefully someone
has an answer to my “simple” problem. Clicking a text field in a form
displays the previously submitted input. I know you can disable this
behavior in your browser but how can I make sure it won’t be displayed
to my visitors?

isnt that a fnction of the browser?

I know it is, only telling every visitor of my site to turn it off
isn’t really an option. That’s why i’m looking for an html/javascript