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

I think the most robust solution that will insure that it is posted in uppercase is to use the oninput method inline like:

EDIT

Some people have been complaining that the cursor jumps to the end when editing the value, so this slightly expanded version should resolve that