Inputs - attributes

Autofocus

Should get the focus immediately.

Placeholder

Text disappears when you focus on the field; re-appears when you unfocus and the field has no content.

Readonly

Field cannot be edited.

Required

Must have a value, or submission is halted.

Pattern

The test pattern is that of a Dutch postal code: four numbers, an optional space, two capital letters.

Autocorrect and autocapitalize

Later