HTML5 autofill using autocomplete

Once in a while, the web development community reintroduces old ideas in a new way. Years ago, there was a concept called ECML (E-Commerce Markup Language) that added an HTML attribute to identify values in a FORM that could be auto-filled from a users “virtual wallet”. Sadly, while it was implemented on a variety of websites (mine included), it was not widely supported and disappeared.

The concept has been reintroduced as values in the ‘autocomplete’ attribute in HTML5. Traditionally this attribute was only used to prevent auto-filling of values, now it can identify which values it is related to for pre-fill.

The usual payment, address and demographic fields (and variations of each) are supported.

EXAMPLE:

^<input type="text" name="ccnum" autocomplete="cc-number" value="" />

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