How do you automatically set text box to Uppercase?

Question

I am using the following style attribute to set the user input to uppercase so that when the user starts typing in the text box for example railway, then it should

Answer 1

The issue with CSS Styling is that it's not changing the data, and if you don't want to have a JS function then try...

on it's own you'll see the field capitalise on keyup, so it might be desirable to combine this with the style='text-transform:uppercase' others have suggested.