Permitted contents #

Permitted attributes #

ⓘ global attributes

Any attributes permitted globally.

ⓘ name = string #

The name part of the name/value pair associated with this element for the purposes of form submission.

ⓘ disabled = d:string "disabled" or d:string "" #

Specifies that the element represents a disabled control.

ⓘ form = ID reference NEW #

The value of the id attribute on the form with which to associate the element.

ⓘ type = d:string "email" #

Specifies that its input element is a control for editing an e-mail address or list of e-mail addresses given in the element’s value.

ⓘ autocomplete = d:string "on" or d:string "off" NEW #

Specifies whether the element represents an input control for which a UA is meant to store the value entered by the user (so that the UA can prefill the form later).

ⓘ autofocus = d:string "autofocus" or d:string "" NEW #

Specifies that the element represents a control to which a UA is meant to give focus as soon as the document is loaded.

ⓘ list = ID reference NEW #

The value of the id attribute on the datalist with which to associate the element.

ⓘ maxlength = non-negative integer #

The maximum allowed value length of the element.

ⓘ pattern = pattern NEW #

Specifies a regular expression against which a UA is meant to check the value of the control represented by its element.

A regular expression that must match the JavaScript Pattern production as specified in [ECMA 262].

ⓘ readonly = d:string "readonly" or d:string "" #

Specifies that element represents a control whose value is not meant to be edited.

ⓘ required = d:string "required" or d:string "" NEW #

Specifies that the element is a required part of form submission.

ⓘ size = positive integer #

The number of options meant to be shown by the control represented by its element.

ⓘ placeholder = string without line breaks NEW #

A short hint (one word or a short phrase) intended to aid the user when entering data into the control represented by its element.

Any string that contains no line feed (U+000A, “LF”) or carriage return (U+000D, “CR”) characters.

ⓘ multiple = d:string "multiple" or d:string "" NEW #

Specifies that the element allows multiple values.

ⓘ value = list of e-mail addresses #

A list of e-mail addresses.

A set of comma-separated strings, each of which is a valid email address.

ⓘ value = e-mail address #

A single e-mail address.

Any string that matches the following [ABNF] production:

1*( atext / "." ) "@" ldh-str 1*( "." ldh-str )

…where atext is as defined in [RFC 5322], and ldh-str is as defined in [RFC 1034].

That is, any string which matches the following regular expression:

/^[a-zA-Z0-9.!#$%&’*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$/

Examples:

foo-bar.baz@example.com

Additional constraints and admonitions #

• The interactive element “input” must not appear as a descendant of the “a” element.
• The interactive element “input” must not appear as a descendant of the “button” element.
• Any “input” element descendant of a “label” element with a “for” attribute must have an ID value that matches that “for” attribute.
• The “list” attribute of the “input” element must refer to a “datalist” element.
• Element “input” with attribute “type” whose value is “button” must have non-empty attribute “value”.
• The “usemap” attribute on the “input” element is obsolete. Use the “img” element instead of the “input” element for image maps.
• The “align” attribute on the “input” element is obsolete. Use CSS instead. http://wiki.whatwg.org/wiki/Presentational_elements_and_attributes

Permitted parent elements #

any element that can contain phrasing elements