Normal text field.

This text field doesn't have the same value as it's title because (hypothetically speaking) the user submitted a form and was returned for errors. This allows the form to be the same as the user left off.

A textarea.

Enter some text!

The class wasn't applied to this one...

A password field!

A password field with a different class name!

A password box with a unique value and classnames...

This password field doesn't have the same value as it's title because (hypothetically speaking) the user submitted a form and was returned for errors. This allows the form to be the same as the user left off.