Input
objects expose the HTMLInputElement (or
HTML 4 HTMLInputElement
) interface, which provides special properties and methods (beyond the regular element object interface they also have available to them by inheritance) for manipulating the layout and presentation of input elements.Reflects the
accept
HTML attribute, containing comma-separated list of file types accepted by the server when type is file
.
Alignment of the element.
Obsolete in HTML5
Reflects the
alt
HTML attribute, containing alternative text to use when type is image.
Reflects the
autofocus
HTML attribute, which specifies 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. It cannot be applied if the type attribute is set to hidden
(that is, you cannot automatically set focus to a hidden control).
checkbox
or radio
.Reflects the
disabled
HTML attribute, indicating that the control is not available for interaction.
The containing form element, if this element is in a form. If this element is not contained in a form element:
Reflects the
formaction
HTML attribute, containing the URI of a program that processes information submitted by the element. If specified, this attribute overrides the
action
attribute of the <form>
element that owns this element.
Reflects the
formmethod
HTML attribute, containing the HTTP method that the browser uses to submit the form. If specified, this attribute overrides the
method
attribute of the <form>
element that owns this element.
Reflects the
formnovalidate
HTML attribute, indicating that the form is not to be validated when it is submitted. If specified, this attribute overrides the
novalidate
attribute of the <form>
element that owns this element.
Reflects the
formtarget
HTML attribute, containing a name or keyword indicating where to display the response that is received after submitting the form. If specified, this attribute overrides the
target
attribute of the <form>
element that owns this element.
Reflects the
height
HTML attribute, which defines the height of the image displayed for the button, if the value of type is image.
<label>
elements that are labels for this element.<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.Reflects the
max
HTML attribute, containing the maximum (numeric or date-time) value for this item, which must not be less than its minimum (min attribute) value.
Reflects the
maxlength
HTML attribute, containing the maximum length of text (in Unicode code points) that the value can be changed to. The constraint is evaluated only when the value is changed
maxlength
to a negative value programmatically, an exception will be thrown.Reflects the
min
HTML attribute, containing the minimum (numeric or date-time) value for this item, which must not be greater than its maximum (max attribute) value.
Reflects the
multiple
HTML attribute, indicating whether more than one value is possible (e.g., multiple files).
Reflects the
name
HTML attribute, containing a name that identifies the element when submitting the form.
Reflects the
pattern
HTML attribute, containing 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.
Reflects the
placeholder
HTML attribute, containing 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.
Reflects the
readonly
HTML attribute, indicating that the user cannot modify the value of the control.
HTML 5 This is ignored if the value of the type attribute is hidden, range, color, checkbox, radio, file, or a button type.
Reflects the
required
HTML attribute, indicating that the user must fill in a value before submitting a form.
Reflects the
size
HTML attribute, containing size of the control. This value is in pixels unless the value of type is text or password, in which case, it is an integer number of characters.
HTML5 Applies only when type is set to text, search, tel, url, email, or password; otherwise it is ignored. Setter throws DOMException.
Reflects the
src
HTML attribute, which specifies a URI for the location of an image to display on the graphical submit button, if the value of type is image; otherwise it is ignored.
Reflects the
step
HTML attribute, which works with min and max 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 is not set to any, the control accepts only values at multiples of the step value greater than the minimum.
Reflects the
type
HTML attribute, indicating the type of control to display. See
A client-side image map.
Obsolete in HTML5
null
if conversion is not possible. Setter throws DOMException.The value of the element, interpreted as one of the following in order:
null
if conversion is not possibleReflects the
width
HTML attribute, which defines the width of the image displayed for the button, if the value of type is image.