If the value of the
type attribute is
file
, this attribute indicates the types of files that the server accepts; otherwise it is ignored.
If the value of the
type attribute is
file
, this attribute indicates the types of files that the server accepts; otherwise it is ignored. The value must be a comma-separated list of unique content type specifiers:
Provides a hint for generating a keyboard shortcut for the current element.
Provides a hint for generating a keyboard shortcut for the current element. This attribute consists of a space-separated list of characters. The browser should use the first one that exists on the computer keyboard layout.
This is a nonstandard attribute used by iOS Safari Mobile which controls whether and how the text value should be automatically capitalized as it is entered/edited by the user.
This is a nonstandard attribute used by iOS Safari Mobile which controls whether and how the text value should be automatically capitalized as it is entered/edited by the user. The non-deprecated values are available in iOS 5 and later. Possible values are:
none
: Completely disables automatic capitalizationsentences
: Automatically capitalize the first letter of sentences.words
: Automatically capitalize the first letter of words.characters
: Automatically capitalize all characters.on
: Deprecated since iOS 5.off
: Deprecated since iOS 5.This attribute indicates whether the value of the control can be automatically completed by the browser.
This is a nonstandard attribute supported by Safari that is used to control whether autocorrection should be enabled when the user is entering/editing the text value of the
<input>
. Possible attribute values are:
- on
: Enable autocorrection
- off
: Disable autocorrection
autocorrect
documentation in the Safari HTML Reference
This is a nonstandard attribute supported by Safari that is used to control whether autocorrection should be enabled when the user is entering/editing the text value of the
<input>
. Possible attribute values are:
- on
: Enable autocorrection
- off
: Disable autocorrection
autocorrect
documentation in the Safari HTML Reference
This Boolean attribute lets you specify that a form control should have input focus when the page loads, unless the user overrides it, for example by typing in a different control.
This Boolean attribute lets you specify that a form control should have input focus when the page loads, unless the user overrides it, for example by typing in a different control. Only one form element in a document can have the
autofocus attribute, which is a Boolean. It cannot be applied if the
type attribute is set to
hidden
(that is, you cannot automatically set focus to a hidden control).
This attribute should be defined as a unique value.
This attribute should be defined as a unique value. If the value of the type attribute is
search
, previous search term values will persist in the dropdown across page load.
When the value of the type attribute is radio
or checkbox
, the presence of this Boolean attribute indicates that the control is selected by default; otherwise it is ignored.
When the value of the type attribute is radio
or checkbox
, the presence of this Boolean attribute indicates that the control is selected by default; otherwise it is ignored.
Firefox will, unlike other browsers, by default, persist the dynamic checked state of an <input>
across page loads. Use the autocomplete
attribute to control this feature.
Is a space-separated list of the classes of the element.
Is a space-separated list of the classes of the element. Classes allows CSS and JavaScript to select and access specific elements via the
class selectors or functions like the method
Document.getElementsByClassName()
.
Is an enumerated attribute indicating if the element should be editable by the user.
Is an enumerated attribute indicating if the element should be editable by the user. If so, the browser modifies its widget to allow editing. The attribute must take one of the following values:
true
or the empty string, which indicates that the element must be editable;false
, which indicates that the element must not be editable.Is the
id
of an
<menu>
to use as the contextual menu for this element.
Is an enumerated attribute indicating the directionality of the element's text.
Is an enumerated attribute indicating the directionality of the element's text. It can have the following values:
ltr
, which means left to right and is to be used for languages that are written from the left to the right (like English);rtl
, which means right to left and is to be used for languages that are written from the right to the left (like Arabic);auto
, which let the user agent decides. It uses a basic algorithm as it parses the characters inside the element until it finds a character with a strong directionality, then apply that directionality to the whole element.This Boolean attribute indicates that the form control is not available for interaction.
This Boolean attribute indicates that the form control is not available for interaction. In particular, the click
event will not be dispatched on disabled controls. Also, a disabled control's value isn't submitted with the form.
Firefox will, unlike other browsers, by default, persist the dynamic disabled state of an <input>
across page loads. Use the autocomplete
attribute to control this feature.
Is an enumerated attribute indicating whether the element can be dragged, using the Drag and Drop API.
Is an enumerated attribute indicating whether the element can be dragged, using the Drag and Drop API. It can have the following values:
true
, which indicates that the element may be draggedfalse
, which indicates that the element may not be dragged.Is an enumerated attribute indicating what types of content can be dropped on an element, using the Drag and Drop API.
Is an enumerated attribute indicating what types of content can be dropped on an element, using the Drag and Drop API. It can have the following values:
copy
, which indicates that dropping will create a copy of the element that was draggedmove
, which indicates that the element that was dragged will be moved to this new location.link
, will create a link to the dragged data.The form element that the input element is associated with (its form owner).
The form element that the input element is associated with (its
form owner). The value of the attribute must be an
id of a
<form>
element in the same document. If this attribute is not specified, this
<input>
element must be a descendant of a
<form>
element. This attribute enables you to place
<input>
elements anywhere within a document, not just as descendants of their form elements. An input can only be associated with one form.
The URI of a program that processes the information submitted by the input element, if it is a submit button or image.
The URI of a program that processes the information submitted by the input element, if it is a submit button or image. If specified, it overrides the
action
attribute of the element's form owner.
If the input element is a submit button or image, this attribute specifies the type of content that is used to submit the form to the server.
If the input element is a submit button or image, this attribute specifies the type of content that is used to submit the form to the server. Possible values are:
application/x-www-form-urlencoded
: The default value if the attribute is not specified.multipart/form-data
: Use this value if you are using an <input>
element with the type
attribute set to file
.
- text/plain
If this attribute is specified, it overrides the enctype
attribute of the element's form owner.
If the input element is a submit button or image, this attribute specifies the HTTP method that the browser uses to submit the form.
If the input element is a submit button or image, this attribute specifies the HTTP method that the browser uses to submit the form. Possible values are:
post
: The data from the form is included in the body of the form and is sent to the server.get
: The data from the form are appended to the form attribute URI, with a '?' as a separator, and the resulting URI is sent to the server. Use this method when the form has no side-effects and contains only ASCII characters.If specified, this attribute overrides the method
attribute of the element's form owner.
If the input element is a submit button or image, this Boolean attribute specifies that the form is not to be validated when it is submitted.
If the input element is a submit button or image, this Boolean attribute specifies that the form is not to be validated when it is submitted. If this attribute is specified, it overrides the
novalidate
attribute of the element's form owner.
If the input element is a submit button or image, this attribute is a name or keyword indicating where to display the response that is received after submitting the form.
If the input element is a submit button or image, this attribute is a name or keyword indicating where to display the response that is received after submitting the form. This is a name of, or keyword for, a
browsing context (for example, tab, window, or inline frame). If this attribute is specified, it overrides the
target
attribute of the elements's form owner. The following keywords have special meanings:
self
: Load the response into the same browsing context as the current one. This value is the default if the attribute is not specified._blank
: Load the response into a new unnamed browsing context._parent
: Load the response into the parent browsing context of the current one. If there is no parent, this option behaves the same way as _self
._top
: Load the response into the top-level browsing context (that is, the browsing context that is an ancestor of the current one, and has no parent). If there is no parent, this option behaves the same way as _self
.If the value of the
type attribute is
image
, this attribute defines the height of the image displayed for the button.
If the value of the
type attribute is
image
, this attribute defines the height of the image displayed for the button.
Is a Boolean attribute indicates that the element is not yet, or is no longer, relevant.
Is a Boolean attribute indicates that the element is not yet, or is no longer, relevant. For example, it can be used to hide elements of the page that can't be used until the login process has been completed. The browser won't render such elements. This attribute must not be used to hide content that could legitimately be shown.
Defines a unique identifier (ID) which must be unique in the whole document.
This is a nonstandard attribute supported by Safari that only applies when the
type is
search
.
This is a nonstandard attribute supported by Safari that only applies when the
type is
search
. If the attribute is present, regardless of what its value is, the
<input>
fires
search
events as the user edits the text value. The event is only fired after an implementation-defined timeout has elapsed since the most recent keystroke; new keystrokes reset the timeout. In other words, the event firing is debounced. If the attribute is absent, the
search
event is only fired when the user explicitly initiates a search (e.g. by pressing the Enter key while within field).
incremental
documentation in the Safari HTML Reference
A hint to the browser for which keyboard to display.
A hint to the browser for which keyboard to display. This attribute applies when the value of the type attribute is text, password, email, or url. Possible values are:
verbatim
: Alphanumeric, non-prose content such as usernames and passwords.latin
: Latin-script input in the user's preferred language with typing aids such as text prediction enabled. For human-to-computer communication such as search boxes.latin-name
: As latin, but for human names.latin-prose
: As latin, but with more aggressive typing aids. For human-to-human communication such as instant messaging or email.full-width-latin
: As latin-prose, but for the user's secondary languages.kana
: Kana or romaji input, typically hiragana input, using full-width characters, with support for converting to kanji. Intended for Japanese text input.katakana
: Katakana input, using full-width characters, with support for converting to kanji. Intended for Japanese text input.numeric
: Numeric input, including keys for the digits 0 to 9, the user's preferred thousands separator character, and the character for indicating negative numbers. Intended for numeric codes, e.g. credit card numbers. For actual numbers, prefer using <input type="number">tel
: Telephone input, including asterisk and pound key. Use <input type="tel"> if possible instead.email
: Email input. Use <input type="email"> if possible instead.url
: URL input. Use <input type="url"> if possible instead.These attributes are related to the WHATWG HTML Microdata feature.
These attributes are related to the WHATWG HTML Microdata feature.
Participates in defining the language of the element, the language that non-editable elements are written in or the language that editable elements should be written in.
Participates in defining the language of the element, the language that non-editable elements are written in or the language that editable elements should be written in. The tag contains one single entry value in the format defines in the Tags for Identifying Languages (BCP47) IETF document. xml:lang has priority over it.
Identifies a list of pre-defined options to suggest to the user.
Identifies a list of pre-defined options to suggest to the user. The value must be the
id of a
<datalist>
element in the same document. The browser displays only options that are valid values for this input element. This attribute is ignored when the
type attribute's value is
hidden
,
checkbox
,
radio
,
file
, or a button type.
The maximum (numeric or date-time) value for this item, which must not be less than its minimum ( min attribute) value.
The maximum (numeric or date-time) value for this item, which must not be less than its minimum ( min attribute) value.
If the value of the
type attribute is
text
,
email
,
search
,
password
,
tel
, or
url
, this attribute specifies the maximum number of characters (in Unicode code points) that the user can enter; for other control types, it is ignored.
If the value of the
type attribute is
text
,
email
,
search
,
password
,
tel
, or
url
, this attribute specifies the maximum number of characters (in Unicode code points) that the user can enter; for other control types, it is ignored. It can exceed the value of the
size attribute. If it is not specified, the user can enter an unlimited number of characters. Specifying a negative number results in the default behavior; that is, the user can enter an unlimited number of characters. The constraint is evaluated only when the value of the attribute has been changed.
The minimum (numeric or date-time) value for this item, which must not be greater than its maximum ( max attribute) value.
The minimum (numeric or date-time) value for this item, which must not be greater than its maximum ( max attribute) value.
If the value of the
type attribute is
text
,
email
,
search
,
password
,
tel
, or
url
, this attribute specifies the minimum number of characters (in Unicode code points) that the user can enter; for other control types, it is ignored.
If the value of the
type attribute is
text
,
email
,
search
,
password
,
tel
, or
url
, this attribute specifies the minimum number of characters (in Unicode code points) that the user can enter; for other control types, it is ignored.
Specifies an "action hint" used to determine how to label the enter key on mobile devices with virtual keyboards.
Specifies an "action hint" used to determine how to label the enter key on mobile devices with virtual keyboards. Supported values are
go
,
done
,
next
,
search
, and
send
; these automatically get mapped to the appropriate string (and are case-insensitive).
This Boolean attribute indicates whether the user can enter more than one value.
This Boolean attribute indicates whether the user can enter more than one value. This attribute applies when the
type attribute is set to
email
or
file
; otherwise it is ignored.
The name of the control, which is submitted with the form data.
A regular expression that the control's value is checked against.
A regular expression that the control's value is checked against. The pattern must match the entire value, not just some subset. Use the
title attribute to describe the pattern to help the user. This attribute applies when the value of the
type attribute is
text
,
search
,
tel
,
url
or
email
; otherwise it is ignored. The regular expression language is the same as JavaScript's. The pattern is not surrounded by forward slashes.
A hint to the user of what can be entered in the control .
A hint to the user of what can be entered in the control . The placeholder text must not contain carriage returns or line-feeds. This attribute applies when the value of the
type attribute is
text
,
search
,
tel
,
url
or
email
; otherwise it is ignored.
Note: Do not use the
placeholder
attribute instead of a
<label>
element. Their purposes are different: the
<label>
attribute describes the role of the form element; that is, it indicates what kind of information is expected, the
placeholder
attribute is a hint about the format the content should take. There are cases in which the
placeholder
attribute is never displayed to the user, so the form must be understandable without it.
This Boolean attribute indicates that the user cannot modify the value of the control.
This Boolean attribute indicates that the user cannot modify the value of the control. It is ignored if the value of the
type attribute is
hidden
,
range
,
color
,
checkbox
,
radio
,
file
, or a button type (such as
button
or
submit
).
This attribute specifies that the user must fill in a value before submitting a form.
This is a nonstandard attribute supported by Safari that only applies when the
type is
search
.
This is a nonstandard attribute supported by Safari that only applies when the
type is
search
. It is used to control the maximum number of entries that should be displayed in the
<input>
's native dropdown list of past search queries. Its value should be a nonnegative decimal integer.
The direction in which selection occurred.
The direction in which selection occurred. This is "forward" if the selection was made from left-to-right in an LTR locale or right-to-left in an RTL locale, or "backward" if the selection was made in the opposite direction. This can be "none" if the selection direction is unknown.
The initial size of the control.
The initial size of the control. This value is in pixels unless the value of the
type attribute is
text
or
password
, in which case, it is an integer number of characters. Starting in HTML5, this attribute applies only when the
type attribute is set to
text
,
search
,
tel
,
url
,
email
, or
password
; otherwise it is ignored. In addition, the size must be greater than zero. If you don't specify a size, a default value of 20 is used.
Is an enumerated attribute defines whether the element may be checked for spelling errors.
Is an enumerated attribute defines whether the element may be checked for spelling errors. It may have the following values:
true
, which indicates that the element should be, if possible, checked for spelling errors;false
, which indicates that the element should not be checked for spelling errors.If the value of the
type attribute is
image
, this attribute specifies a URI for the location of an image to display on the graphical submit button; otherwise it is ignored.
If the value of the
type attribute is
image
, this attribute specifies a URI for the location of an image to display on the graphical submit button; otherwise it is ignored.
Works with the min and max attributes to limit the increments at which a numeric or date-time value can be set.
Works with the
min and
max attributes to limit the increments at which a numeric or date-time value can be set. It can be the string
any
or a positive floating point number. If this attribute is not set to
any
, the control accepts only values at multiples of the step value greater than the minimum.
Contains CSS styling declarations to be applied to the element.
Is an integer attribute indicates if the element can take input focus (is focusable), if it should participate to sequential keyboard navigation, and if so, at what position.
Is an integer attribute indicates if the element can take input focus (is focusable), if it should participate to sequential keyboard navigation, and if so, at what position. It can takes several values:
0
means that the element should be focusable and reachable via sequential keyboard navigation, but its relative order is defined by the platform convention;Contains a text representing advisory information related to the element it belongs to.
Contains a text representing advisory information related to the element it belongs to. Such information can typically, but not necessarily, be presented to the user as a tooltip.
Is an enumerated attribute that is used to specify whether an element's attribute values and the values of it
s
Text
node children are to be translated when the page is localized, or whether to leave them unchanged.
Is an enumerated attribute that is used to specify whether an element's attribute values and the values of it
s
Text
node children are to be translated when the page is localized, or whether to leave them unchanged. It can have the following values:
"yes"
, which indicates that the element will be translated."no
", which indicates that the element will not be translated.The type of control to display.
The type of control to display. The default type is text, if this attribute is not specified. Possible values are:
button
: A push button with no default behavior.checkbox
: A check box. You must use the value attribute to define the value submitted by this item. Use the checked attribute to indicate whether this item is selected. You can also use the indeterminate attribute to indicate that the checkbox is in an indeterminate state (on most platforms, this draws a horizontal line across the checkbox).color
: HTML5 A control for specifying a color. A color picker's UI has no required features other than accepting simple colors as text (more info).date
: HTML5 A control for entering a date (year, month, and day, with no time).datetime
: HTML5 A control for entering a date and time (hour, minute, second, and fraction of a second) based on UTC time zone.datetime-local
: HTML5 A control for entering a date and time, with no time zone.email
: HTML5 A field for editing an e-mail address. The input value is validated to contain either the empty string or a single valid e-mail address before submitting. The :valid
and :invalid
CSS pseudo-classes are applied as appropriate.
- file
: A control that lets the user select a file. Use the accept attribute to define the types of files that the control can select.
- hidden
: A control that is not displayed, but whose value is submitted to the server.
- image
: A graphical submit button. You must use the src attribute to define the source of the image and the alt attribute to define alternative text. You can use the height and width attributes to define the size of the image in pixels.
- month
: HTML5 A control for entering a month and year, with no time zone.
- number
: HTML5 A control for entering a floating point number.
- password
: A single-line text field whose value is obscured. Use the maxlength attribute to specify the maximum length of the value that can be entered.
- radio
: A radio button. You must use the value attribute to define the value submitted by this item. Use the checked attribute to indicate whether this item is selected by default. Radio buttons that have the same value for the name attribute are in the same "radio button group"; only one radio button in a group can be selected at a time.
- range
: HTML5 A control for entering a number whose exact value is not important. This type control uses the following default values if the corresponding attributes are not specified:
- min
: 0
- max
: 100
- value
: min
+ (max
-min
)/2, or min
if max
is less than min
- step
: 1
- reset
: A button that resets the contents of the form to default values.
- search
: HTML5 A single-line text field for entering search strings; line-breaks are automatically removed from the input value.
- submit
: A button that submits the form.
- tel
: HTML5 A control for entering a telephone number; line-breaks are automatically removed from the input value, but no other syntax is enforced. You can use attributes such as pattern and maxlength to restrict values entered in the control. The :valid
and :invalid
CSS pseudo-classes are applied as appropriate.
- text
: A single-line text field; line-breaks are automatically removed from the input value.
- time
: HTML5 A control for entering a time value with no time zone.
- url
: HTML5 A field for editing a URL. The input value is validated to contain either the empty string or a valid absolute URL before submitting. Line-breaks and leading or trailing whitespace are automatically removed from the input value. You can use attributes such as pattern and maxlength to restrict values entered in the control. The :valid
and :invalid
CSS pseudo-classes are applied as appropriate.
- week
: HTML5 A control for entering a date consisting of a week-year number and a week number with no time zone.
The name of a
<map>
element to be used as an image map.
The name of a
<map>
element to be used as an image map.
The initial value of the control.
The initial value of the control. This attribute is optional except when the value of the
type attribute is
radio
or
checkbox
.
Note that when reloading the page, Gecko and IE
will ignore the value specified in the HTML source, if the value was changed before the reload.
If the value of the
type attribute is
image
, this attribute defines the width of the image displayed for the button.
If the value of the
type attribute is
image
, this attribute defines the width of the image displayed for the button.
This Mozilla extension allows you to specify the error message to display when a field doesn't successfully validate.
The HTML
<input>
element is used to create interactive controls for web-based forms in order to accept data from the user. How an<input>
works varies considerably depending on the value of itstype
attribute.