HTML Forms
This page includes standard HTML forms along with descriptions (in italics) of keyboard interaction.Besides just tabbing through the fields, it is recommended you populate the text fields and try some of the other keyboard interaction described. It is also a good idea to open this page in multiple browsers so you can observe how the browser (the user agent) modifies the presentation of the focus rectangle and the cursor positioning.
Basic Form Fields
TAB between different form fields.For uneditable controls, you will see a dotted line around the object with focus. This is called the focus rectagle. Other controls use highlighting or a blinking cursor to indicate focus. You should check that any item that receives focus uses the standard to indicate its state