A filled value still needs a question

Original static teaching specimens. Inputs have no submit action and no information is sent. Names and addresses are synthetic. Intentionally weak specimens are labelled as such in the surrounding explanation.

Weak: placeholder as the visible question

The two controls carry no explicit labels; once filled their placeholders are absent from the visible question.

Persistent labels and distinct purposes

We send invoices to this address.

We send dispatch updates to this address.

Error with the value preserved

There is a problem

Enter a billing email in the format name@example.com

We send invoices to this address.

Enter a billing email in the format name@example.com