Dev Contact: tkent@

Updated: October 4, 2013

Note that this page doesn't cover iOS version of Google Chrome because it uses WebKit shipped in iOS.

On stable release

Common features

• autofocus attribute (autofocus property) of input/textarea/select/keygen elements
• labels property of form control elements [M6]
• willValidate property
• validity property
• typeMismatch for <input type=email> and <input type=url>
• valueMissing and required attribute (required property)
  
• patternMismatch and pattern attribute (pattern property)
• tooLong
• tooLong behavior was updated in [M13]. Values set by a script won't be too long.
• rangeOverflow and max attribute (max property) [M5]
• rangeUnderflow and min attribute (min property) [M5]
• stepMismatch and step attribute (step property) [M5]
• badInput support for number, date, datetime-local, month, time, week. [M25]
• valid as a combination of the above
• checkValidity() and 'invalid' event
• validationMessage property [M10]
• :default, :valid, :invalid, :optional, and :required CSS selectors
• form element doesn't support :valid and :invalid yet.
• form, formaction, formenctype, formmethod, formtarget attributes and the corresponding properties [M9]
  Note: form property has been supported for a long time though form attribute was not supported.
  
• formMethod / formEnctype properties of input element, and formMethod / formEnctype properties of button element correctly return normalized values. [M16]
• formMethod property returns empty string if formmethod attribute value is missing. [M26]
• formEnctype property returns empty string if formenctype attribute value is missing. [M26]

• 'formchange' and 'forminput' events were introduce in [M10], and removed since [M12].

Form element

Fieldset element

Label element

Input element

• multiple attribute (multiple DOM property) of <input type=file> and <input type=email>
• <input type=email multiple> allows whitespace around ',' since [M14]
• placeholder attribute (placeholder property)
• The behavior of placeholder attribute was changed since [M17]. Placeholder text is shown until a user enters the first letter.
• accept attribute for <input type=file> [M8]
• File name suffix support [M21]
• files property
• files property is writable. [M21]
• dirname attribute of input element [M17]
• Support for <input  type=hidden name=_charset_> [M17]
• Dedicated UI for <input type=search>
• Dedicated UI for <input type=range> (only horizontal)
• type attribute (type property) recognizes email, tel, and url
  
• The UI is same as type=text.
• <input type=number> with spin-button UI  [M6]
  • Supports wheel events [M7]
  • Supports auto-repeat by mouse press since [M7]
  • Localization of <input type=number> [M11]
  • Inserting thousand-separator such as ',' in <input type=number> was disabled since [M14]
  • The default width of a number type field with finite min/max/step values is fit to possible maximum digits. [M15]
• <input type=color> for Windows, OS X, and Linux [M20]
• ChromeOS [M22]
• <input type=date> for Windows, OS X, Linux, and Chrome OS [M20]
  Down arrow key to open the calendar popup.
  Keyboard bindings in the calendar popup:
  

  m	Next month
  Shift + m	Previous month
  y	Next year
  Shift + y	Previous year
  d	10 years later
  Shift + d	10 years past
  Enter	Set the selected date to the field, and close the popup
  t	Select today
  ESC	Close the popup

• Update <input type=date> UI for non-Android [M24]
  It contains multiple editable fields and a spin button.
  Key binding to open a calendar picker was changed: down arrow → Alt (option) + down arrow
• Android supports it since [M18]
• Major calendar UI update [M27]
• <input type=time> [M23]
• Android supports it since [M18]
• <input type=month> [M25]
• Android supports it since [M18]
• <input type=week> for non-Android [M25]
• <input type=datetime-local> [M25]
• Android supports it since [M18]
• list attribute, and list property
• text, search, url, tel, and number types. [M20]
• datalist element support for <input type=email> [M21]
• datalist element support for <input type=range> [M22]
• Specified values are shown as tick marks, and the slider thumb snaps on them.
• datalist element support for <input type=color> [M22]
• datalist support for date, and time [M24]
• datalist support for datetime-local, month, and week [M25]
• For unsupported input types,  list property returns null.
• Chrome for Android doesn't support list attribute for all input types.
• min/max/step/value attribute values for numeric types accepts number strings starting decimal points since [M17]
  • ".25" was an invalid number string until [M16], and it's valid since [M17].
• stepUp() and stepDown() [M5]
• valueAsDate property [M5]
• valueAsNumber property [M5]
• Removed labels property support of <input type=hidden> [M19]
• Indeterminate checkbox [M6]
• :out-of-range and :in-range CSS selectors [M10]
• height and width properties of input element [M21]
• setRangeText() [M24]

• type attribute of input element recognized date, datetime, datetime-local, month, time, and week during [M5] to [M15]
  They were disabled since [M16] because of their incompleteness and UI development

Button element

• type property is writable. [M21]

Select element

• validity.valueMissing and required attribute (required property) [M10]
  
• selectedOptions property [M22]

Datalist element

• Introduced in [M20] with <input list=id> support

Textarea element

• wrap property [M16]
• placeholder attribute (placeholder property)
• The behavior of placeholder attribute was changed since [M17]. Placeholder text is shown until a user enters the first letter.
• maxlength attribute (maxLength property)
• setRangeText() [M24]

Output element

• Introduced in [M9]
• labels property [M19]

Progress element

• Introduced in [M6]
• Removed form property [M19]

Meter element

• Horizontal meter element was introduced in [M6]
• Removed form property [M19]

Milestone 29

Not available yet

• datalist support for Android [in-progress]
• inputmode attribute for input and textarea elements [in-progress]
• Dedicated UIs for datetime type with datalist support
• type=number value range update (float → double)
• New behavior of stepUp() and stepDown()
• Newlines for textarea placeholder
• reportValidity()
• minlength and validity.tooShort
• New behavior of min > max case for type=time
• :valid and :invalid CSS selectors for form and fieldset element
• Automatic switching to vertical range, progress, and meter.
• Form controls in vertical writing mode
• CSS Selectors4: :user-error pseudo class
• :indeterminate pseudo class for radio buttons