# Interface HTMLInputElement

All Superinterfaces:
  `Element, HTMLElement, Node`

public interface HTMLInputElement extends HTMLElement
Form control. Note. Depending upon the environment in which the page is being viewed, the value property may be read-only for the file upload input type. For the "password" input type, the actual value returned may be masked to prevent unauthorized use. See the INPUT element definition in HTML 4.0.

See also the Document Object Model (DOM) Level 2 Specification.

Since:
  1.4, DOM Level 2

- ## Field Summary

  ### Fields declared in interface Node

  `ATTRIBUTE_NODE, CDATA_SECTION_NODE, COMMENT_NODE, DOCUMENT_FRAGMENT_NODE, DOCUMENT_NODE, DOCUMENT_POSITION_CONTAINED_BY, DOCUMENT_POSITION_CONTAINS, DOCUMENT_POSITION_DISCONNECTED, DOCUMENT_POSITION_FOLLOWING, DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC, DOCUMENT_POSITION_PRECEDING, DOCUMENT_TYPE_NODE, ELEMENT_NODE, ENTITY_NODE, ENTITY_REFERENCE_NODE, NOTATION_NODE, PROCESSING_INSTRUCTION_NODE, TEXT_NODE`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `void`
  `blur()`
  Removes keyboard focus from this element.
  `void`
  `click()`
  Simulate a mouse-click.
  `void`
  `focus()`
  Gives keyboard focus to this element.
  `String`
  `getAccept()`
  A comma-separated list of content types that a server processing this form will handle correctly.
  `String`
  `getAccessKey()`
  A single character access key to give access to the form control.
  `String`
  `getAlign()`
  Aligns this object (vertically or horizontally) with respect to its surrounding text.
  `String`
  `getAlt()`
  Alternate text for user agents not rendering the normal content of this element.
  `boolean`
  `getChecked()`
  When the `type` attribute of the element has the value "Radio" or "Checkbox", this represents the current state of the form control, in an interactive user agent.
  `boolean`
  `getDefaultChecked()`
  When `type` has the value "Radio" or "Checkbox", this represents the HTML checked attribute of the element.
  `String`
  `getDefaultValue()`
  When the `type` attribute of the element has the value "Text", "File" or "Password", this represents the HTML value attribute of the element.
  `boolean`
  `getDisabled()`
  The control is unavailable in this context.
  `HTMLFormElement`
  `getForm()`
  Returns the `FORM` element containing this control.
  `int`
  `getMaxLength()`
  Maximum number of characters for text fields, when `type` has the value "Text" or "Password".
  `String`
  `getName()`
  Form control or object name when submitted with a form.
  `boolean`
  `getReadOnly()`
  This control is read-only.
  `String`
  `getSize()`
  Size information.
  `String`
  `getSrc()`
  When the `type` attribute has the value "Image", this attribute specifies the location of the image to be used to decorate the graphical submit button.
  `int`
  `getTabIndex()`
  Index that represents the element's position in the tabbing order.
  `String`
  `getType()`
  The type of control created.
  `String`
  `getUseMap()`
  Use client-side image map.
  `String`
  `getValue()`
  When the `type` attribute of the element has the value "Text", "File" or "Password", this represents the current contents of the corresponding form control, in an interactive user agent.
  `void`
  `select()`
  Select the contents of the text area.
  `void`
  `setAccept(String accept)`
  `void`
  `setAccessKey(String accessKey)`
  `void`
  `setAlign(String align)`
  `void`
  `setAlt(String alt)`
  `void`
  `setChecked(boolean checked)`
  `void`
  `setDefaultChecked(boolean defaultChecked)`
  `void`
  `setDefaultValue(String defaultValue)`
  `void`
  `setDisabled(boolean disabled)`
  `void`
  `setMaxLength(int maxLength)`
  `void`
  `setName(String name)`
  `void`
  `setReadOnly(boolean readOnly)`
  `void`
  `setSize(String size)`
  `void`
  `setSrc(String src)`
  `void`
  `setTabIndex(int tabIndex)`
  `void`
  `setUseMap(String useMap)`
  `void`
  `setValue(String value)`

  ### Methods declared in interface Element

  `getAttribute, getAttributeNode, getAttributeNodeNS, getAttributeNS, getElementsByTagName, getElementsByTagNameNS, getSchemaTypeInfo, getTagName, hasAttribute, hasAttributeNS, removeAttribute, removeAttributeNode, removeAttributeNS, setAttribute, setAttributeNode, setAttributeNodeNS, setAttributeNS, setIdAttribute, setIdAttributeNode, setIdAttributeNS`

  ### Methods declared in interface HTMLElement

  `getClassName, getDir, getId, getLang, getTitle, setClassName, setDir, setId, setLang, setTitle`

  ### Methods declared in interface Node

  `appendChild, cloneNode, compareDocumentPosition, getAttributes, getBaseURI, getChildNodes, getFeature, getFirstChild, getLastChild, getLocalName, getNamespaceURI, getNextSibling, getNodeName, getNodeType, getNodeValue, getOwnerDocument, getParentNode, getPrefix, getPreviousSibling, getTextContent, getUserData, hasAttributes, hasChildNodes, insertBefore, isDefaultNamespace, isEqualNode, isSameNode, isSupported, lookupNamespaceURI, lookupPrefix, normalize, removeChild, replaceChild, setNodeValue, setPrefix, setTextContent, setUserData`

- ## Method Details

  - ### getDefaultValue

    String getDefaultValue()
    When the `type` attribute of the element has the value "Text", "File" or "Password", this represents the HTML value attribute of the element. The value of this attribute does not change if the contents of the corresponding form control, in an interactive user agent, changes. Changing this attribute, however, resets the contents of the form control. See the value attribute definition in HTML 4.0.

  - ### setDefaultValue

    void setDefaultValue(String defaultValue)

  - ### getDefaultChecked

    boolean getDefaultChecked()
    When `type` has the value "Radio" or "Checkbox", this represents the HTML checked attribute of the element. The value of this attribute does not change if the state of the corresponding form control, in an interactive user agent, changes. Changes to this attribute, however, resets the state of the form control. See the checked attribute definition in HTML 4.0.

  - ### setDefaultChecked

    void setDefaultChecked(boolean defaultChecked)

  - ### getForm

    HTMLFormElement getForm()
    Returns the `FORM` element containing this control. Returns `null` if this control is not within the context of a form.

  - ### getAccept

    String getAccept()
    A comma-separated list of content types that a server processing this form will handle correctly. See the accept attribute definition in HTML 4.0.

  - ### setAccept

    void setAccept(String accept)

  - ### getAccessKey

    String getAccessKey()
    A single character access key to give access to the form control. See the accesskey attribute definition in HTML 4.0.

  - ### setAccessKey

    void setAccessKey(String accessKey)

  - ### getAlign

    String getAlign()
    Aligns this object (vertically or horizontally) with respect to its surrounding text. See the align attribute definition in HTML 4.0. This attribute is deprecated in HTML 4.0.

  - ### setAlign

    void setAlign(String align)

  - ### getAlt

    String getAlt()
    Alternate text for user agents not rendering the normal content of this element. See the alt attribute definition in HTML 4.0.

  - ### setAlt

    void setAlt(String alt)

  - ### getChecked

    boolean getChecked()
    When the `type` attribute of the element has the value "Radio" or "Checkbox", this represents the current state of the form control, in an interactive user agent. Changes to this attribute change the state of the form control, but do not change the value of the HTML value attribute of the element.

  - ### setChecked

    void setChecked(boolean checked)

  - ### getDisabled

    boolean getDisabled()
    The control is unavailable in this context. See the disabled attribute definition in HTML 4.0.

  - ### setDisabled

    void setDisabled(boolean disabled)

  - ### getMaxLength

    int getMaxLength()
    Maximum number of characters for text fields, when `type` has the value "Text" or "Password". See the maxlength attribute definition in HTML 4.0.

  - ### setMaxLength

    void setMaxLength(int maxLength)

  - ### getName

    String getName()
    Form control or object name when submitted with a form. See the name attribute definition in HTML 4.0.

  - ### setName

    void setName(String name)

  - ### getReadOnly

    boolean getReadOnly()
    This control is read-only. Relevant only when `type` has the value "Text" or "Password". See the readonly attribute definition in HTML 4.0.

  - ### setReadOnly

    void setReadOnly(boolean readOnly)

  - ### getSize

    String getSize()
    Size information. The precise meaning is specific to each type of field. See the size attribute definition in HTML 4.0.

  - ### setSize

    void setSize(String size)

  - ### getSrc

    String getSrc()
    When the `type` attribute has the value "Image", this attribute specifies the location of the image to be used to decorate the graphical submit button. See the src attribute definition in HTML 4.0.

  - ### setSrc

    void setSrc(String src)

  - ### getTabIndex

    int getTabIndex()
    Index that represents the element's position in the tabbing order. See the tabindex attribute definition in HTML 4.0.

  - ### setTabIndex

    void setTabIndex(int tabIndex)

  - ### getType

    String getType()
    The type of control created. See the type attribute definition in HTML 4.0.

  - ### getUseMap

    String getUseMap()
    Use client-side image map. See the usemap attribute definition in HTML 4.0.

  - ### setUseMap

    void setUseMap(String useMap)

  - ### getValue

    String getValue()
    When the `type` attribute of the element has the value "Text", "File" or "Password", this represents the current contents of the corresponding form control, in an interactive user agent. Changing this attribute changes the contents of the form control, but does not change the value of the HTML value attribute of the element. When the `type` attribute of the element has the value "Button", "Hidden", "Submit", "Reset", "Image", "Checkbox" or "Radio", this represents the HTML value attribute of the element. See the value attribute definition in HTML 4.0.

  - ### setValue

    void setValue(String value)

  - ### blur

    void blur()
    Removes keyboard focus from this element.

  - ### focus

    void focus()
    Gives keyboard focus to this element.

  - ### select

    void select()
    Select the contents of the text area. For `INPUT` elements whose `type` attribute has one of the following values: "Text", "File", or "Password".

  - ### click

    void click()
    Simulate a mouse-click. For `INPUT` elements whose `type` attribute has one of the following values: "Button", "Checkbox", "Radio", "Reset", or "Submit".