Provides an unordered collection of information about the document.

Members Table

The following table lists the members exposed by the head object.

Attributes/Properties

Show: Attributes/Properties Behaviors Collections Events Methods Prototypes Styles

Attribute Property Description aria-activedescendant   ariaActivedescendant Sets or retrieves the currently active child element. aria-busy   ariaBusy Sets or retrieves a value indicating whether a live region is finished updating. aria-checked   ariaChecked Sets or retrieves the checked state of this element. aria-controls   ariaControls Sets or retrieves the list of elements that are controlled by the current element. aria-describedby   ariaDescribedby Sets or retrieves a list of elements that describe the current object. aria-disabled   ariaDisabled Sets or retrieves the disabled state of this element. aria-expanded   ariaExpanded Sets or retrieves the expanded state of this element. aria-flowto   ariaFlowto Sets or retrieves the recommended reading order of content. aria-haspopup   ariaHaspopup Sets or retrieves a value indicating whether this element may display a pop-up window. aria-hidden   ariaHidden Sets or retrieves the hidden state of this element. aria-invalid   ariaInvalid Sets or retrieves the error state of this element. aria-labelledby   ariaLabelledby Sets or retrieves a list of elements that provide a label for the current object. aria-level   ariaLevel Sets or retrieves the level of this element. aria-live   ariaLive Sets or retrieves how assistive technology should announce updates to live regions. aria-multiselect   ariaMultiselect Sets or retrieves the multiple-selection state of this element. aria-owns   ariaOwns Sets or retrieves a list of child objects, including elements that are not direct descendants of the current object. aria-posinset   ariaPosinset Sets or retrieves the current position of an item within a set. aria-pressed   ariaPressed Sets or retrieves the pressed state of a button that can be toggled. aria-readonly   ariaReadonly Sets or retrieves the read-only state of this element. aria-relevant   ariaRelevant Sets or retrieves which changes to a live region are relevant. aria-required   ariaRequired Sets or retrieves the form-completion requirement of this element. aria-secret   ariaSecret Sets or retrieves the secret state of this element. aria-selected   ariaSelected Sets or retrieves the selection state of this element. aria-setsize   ariaSetsize Sets or retrieves the set size of this element. aria-valuemax   ariaValuemax Sets or retrieves the maximum value that a user can provide. aria-valuemin   ariaValuemin Sets or retrieves the minimum value that a user can provide. aria-valuenow   ariaValuenow Sets or retrieves the current value of the element. attributes   Retrieves a collection of attributes of the object. canHaveChildren Gets a value indicating whether the object can contain child objects. canHaveHTML canHaveHTML Retrieves the value indicating whether the object can contain rich HTML markup. CLASS className Sets or retrieves the class of the object. constructor   Returns a references to the constructor of an object. firstChild Retrieves a reference to the first child in the childNodes collection of the object. ID id Sets or retrieves the string identifying the object. innerHTML Retrieves the HTML between the start and end tags of the object. isContentEditable Gets the value that indicates whether the user can edit the contents of the object. isDisabled Gets the value that indicates whether the user can interact with the object. isMultiLine Retrieves the value indicating whether the content of the object contains one or more lines. isTextEdit Retrieves whether a TextRange object can be created using the object. LANG lang Sets or retrieves the language to use. lastChild Retrieves a reference to the last child in the childNodes collection of an object. nextSibling Retrieves a reference to the next child of the parent for the object. nodeName Retrieves the name of a particular type of node. nodeType Retrieves the type of the requested node. nodeValue Sets or retrieves the value of a node. ownerDocument Retrieves the document object associated with the node. parentElement Retrieves the parent object in the object hierarchy. parentNode Retrieves the parent object in the document hierarchy. parentTextEdit Retrieves the container object in the document hierarchy that can be used to create a TextRange containing the original object. previousSibling Retrieves a reference to the previous child of the parent for the object. PROFILE profile Sets or retrieves one or more Uniform Resource Identifiers (URIs) in which the object properties and legal values for those properties are defined. readyState Retrieves the current state of the object. role   role Sets or retrieves the role for this element. scopeName Gets the namespace defined for the element. scrollHeight Retrieves the scrolling height of the object. scrollLeft Sets or retrieves the distance between the left edge of the object and the leftmost portion of the content currently visible in the window. scrollTop Sets or retrieves the distance between the top of the object and the topmost portion of the content currently visible in the window. scrollWidth Retrieves the scrolling width of the object. sourceIndex Retrieves the ordinal position of the object, in source order, as the object appears in the document's all collection. tagName Retrieves the tag name of the object. tagUrn Sets or gets the Uniform Resource Name (URN) specified in the namespace declaration. uniqueID Retrieves an autogenerated, unique identifier for the object. Behavior Description clientCaps Provides information about features supported by Internet Explorer, as well as a way for installing browser components on demand. download Downloads a file and notifies a specified callback function when the download is complete. homePage Contains information about a user's homepage. Collection Description all Returns a reference to the collection of elements contained by the object. attributes Retrieves the collection of attributes belonging to the object. behaviorUrns Returns a collection of Uniform Resource Name (URN) strings identifying the behaviors attached to the element. childNodes Retrieves a collection of HTML Elements and TextNode objects that are direct descendants of the specified object. children Retrieves a collection of DHTML Objects that are direct descendants of the object. Event Description onafterupdate Fires on a databound object after successfully updating the associated data in the data source object. onbeforecopy Fires on the source object before the selection is copied to the system clipboard. onbeforeupdate Fires on a databound object before updating the associated data in the data source object. oncellchange Fires when data changes in the data provider. oncopy Fires on the source element when the user copies the object or selection, adding it to the system clipboard. ondataavailable Fires periodically as data arrives from data source objects that asynchronously transmit their data. ondatasetchanged Fires when the data set exposed by a data source object changes. ondatasetcomplete Fires to indicate that all data is available from the data source object. onerrorupdate Fires on a databound object when an error occurs while updating the associated data in the data source object. onfilterchange Fires when a visual filter changes state or completes a transition. onlayoutcomplete Fires when the print or print preview layout process finishes filling the current LayoutRect object with content from the source document. onreadystatechange Fires when the state of the object has changed. onresize Fires when the size of the object is about to change. onrowenter Fires to indicate that the current row has changed in the data source and new data values are available on the object. onrowexit Fires just before the data source control changes the current row in the object. onrowsdelete Fires when rows are about to be deleted from the recordset. onrowsinserted Fires just after new rows are inserted in the current recordset. onscroll Fires when the user repositions the scroll box in the scroll bar on the object. Method Description addBehavior Attaches a behavior to the element. appendChild Appends an element as a child to the object. applyElement Makes the element either a child or parent of another element. attachEvent Binds the specified function to an event, so that the function gets called whenever the event fires on the object. clearAttributes Removes all attributes and values from the object. cloneNode Copies a reference to the object from the document hierarchy. componentFromPoint Returns the component located at the specified coordinates via certain events. contains Checks whether the given element is contained within the object. detachEvent Unbinds the specified function from the event, so that the function stops receiving notifications when the event fires. doScroll Simulates a click on a scroll bar component. dragDrop Initiates a drag event. fireEvent Fires a specified event on the object. getAdjacentText Returns the adjacent text string. getAttribute Retrieves the value of the specified attribute. getAttributeNode Retrieves an attribute object referenced by the attribute.name property. getElementsByTagName Retrieves a collection of objects based on the specified element name. hasAttribute   Determines whether an attribute with the specified name exists. hasChildNodes Returns a value that indicates whether the object has children. insertAdjacentElement Inserts an element at the specified location. insertBefore Inserts an element into the document hierarchy as a child node of a parent object. mergeAttributes Copies all read/write attributes to the specified element. normalize Merges adjacent TextNode objects to produce a normalized document object model. removeAttribute Removes an attribute from an object. removeAttributeNode Removes an attribute object from the object. removeBehavior Detaches a behavior from the element. removeChild Removes a child node from the object. removeNode Removes the object from the document hierarchy. replaceAdjacentText Replaces the text adjacent to the element. replaceChild Replaces an existing child element with a new child element. replaceNode Replaces the object with another element. setAttribute Sets the value of the specified attribute. setAttributeNode Sets an attribute object node as part of the object. swapNode Exchanges the location of two objects in the document hierarchy. Object Description HTMLHeadElement Constructor   Defines the properties and methods inherited by objects in the HTMLHeadElement Constructor prototype chain. Style attribute Style property Description -ms-background-position-x backgroundPositionX Sets or retrieves the x-coordinate of the backgroundPosition property. -ms-background-position-y backgroundPositionY Sets or retrieves the y-coordinate of the backgroundPosition property. -ms-behavior behavior Sets or retrieves the location of the Dynamic HTML (DHTML) behavior. -ms-layout-grid layoutGrid Sets or retrieves the composite document grid properties that specify the layout of text characters. -ms-layout-grid-mode layoutGridMode Sets or retrieves whether the text layout grid uses two dimensions. pixelBottom Sets or retrieves the bottom position of the object. pixelHeight Sets or retrieves the height of the object. pixelLeft Sets or retrieves the left position of the object. pixelRight Sets or retrieves the right position of the object. pixelTop Sets or retrieves the top position of the object. pixelWidth Sets or retrieves the width of the object. posBottom Sets or retrieves the bottom position of the object in the units specified by the bottom attribute. posHeight Sets or retrieves the height of the object in the units specified by the height attribute. posLeft Sets or retrieves the left position of the object in the units specified by the left attribute. posRight Sets or retrieves the right position of the object in the units specified by the right attribute. posTop Sets or retrieves the top position of the object in the units specified by the top attribute. posWidth Sets or retrieves the width of the object in the units specified by the width attribute. -ms-text-autospace textAutospace Sets or retrieves the autospacing and narrow space width adjustment of text. -ms-text-underline-position textUnderlinePosition Sets or retrieves the position of the underline decoration that is set through the textDecoration property of the object. -ms-zoom zoom Sets or retrieves the magnification scale of the object.

Remarks

The head element provides information that does not affect the rendering of the document but could be of use to the browser. The following tags are valid in this element:

• BASE
• BASEFONT
• BGSOUND
• LINK
• META
• nextID
• SCRIPT
• STYLE
• TITLE

  Internet Explorer 8 and later. The value of the profile attribute depends on the current document compatibility mode.

This element is not rendered.

This element requires a closing tag.

Example

This example uses the HEAD element to create a document title.

<HEAD>
<TITLE>A Simple Document</TITLE>
</HEAD>

Standards Information

This object is defined in HTML 3.2 .