comment element | comment object (Internet Explorer)

comment element | comment object

Indicates a comment that is not displayed.

Members

The comment object has these types of members:

Events
Methods
Properties

Events

The comment object has these events.

Event	Description
abort	Fires when the user aborts the download.
afterupdate	Fires on a databound object after successfully updating the associated data in the data source object.
beforecopy	Fires on the source object before the selection is copied to the system clipboard.
beforeupdate	Fires on a databound object before updating the associated data in the data source object.
cellchange	Fires when data changes in the data provider.
change	Fires when the contents of the object or selection have changed.
dataavailable	Fires periodically as data arrives from data source objects that asynchronously transmit their data.
datasetchanged	Fires when the data set exposed by a data source object changes.
error	Fires when an error occurs during object loading.
errorupdate	Fires on a databound object when an error occurs while updating the associated data in the data source object.
filterchange	Fires when a visual filter changes state or completes a transition.
input	Occurs when the text content of an element is changed through the user interface.
layoutcomplete	Fires when the print or print preview layout process finishes filling the current LayoutRect object with content from the source document.
load	Fires immediately after the client loads the object.
ondatasetcomplete	Fires to indicate that all data is available from the data source object.
onselect	Fires when the current selection changes.
propertychange	Fires when a property changes on the object. Note The onpropertychange event is only supported in conjunction with the legacy attachEvent IE-only event registration model, which has deprecated since Internet Explorer 9 in favor of the W3C standard " addEventListener" event model.
readystatechange	Fires when the state of the object has changed.
reset	Fires when the user resets a form.
resize	Fires when the size of the object is about to change.
rowenter	Fires to indicate that the current row has changed in the data source and new data values are available on the object.
rowexit	Fires just before the data source control changes the current row in the object.
rowsdelete	Fires when rows are about to be deleted from the recordset.
rowsinserted	Fires just after new rows are inserted in the current recordset.

Methods

The comment object has these methods.

Method	Description
addBehavior	Attaches a behavior to the element.
appendChild	Appends an element as a child to the object.
appendData	Adds a new character string to the end of the object.
applyElement	Makes the element either a child or parent of another element.
attachEvent	Note attachEvent is no longer supported. Starting with IE11, use addEventListener. For info, see Compatibility changes. 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.
deleteData	Removes a specified range of characters from the object.
detachEvent	Unbinds the specified function from the event, so that the function stops receiving notifications when the event fires.
doScroll	Note doScroll is no longer supported. Starting with IE11, use scrollLeft or scrollTop. For info, see Compatibility changes. 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.
getAttributeNodeNS	Gets an attribute object that matches the specified namespace and name.
getAttributeNS	Gets the value of the specified attribute within the specified namespace.
getBoundingClientRect	Retrieves an object that specifies the bounds of a collection of TextRectangle objects.
getClientRects	Retrieves a collection of rectangles that describes the layout of the contents of an object or range within the client. Each rectangle describes a single line.
getElementsByClassName	Gets a collection of objects that are based on the value of the class attribute.
getElementsByTagNameNS	Gets a collection of objects that are based on the specified element names within a specified namespace.
hasAttribute	Determines whether an attribute with the specified name exists.
hasAttributeNS	Determines whether an attribute that has the specified namespace and name exists.
hasAttributes	Determines whether one or more attributes exist for the object.
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.
insertData	Inserts a new character string in the object at a specified offset.
mergeAttributes	Copies all read/write attributes to the specified element.
msMatchesSelector	Determines whether an object matches the specified selector.
normalize	Merges adjacent DOM objects to produce a normalized document object model.
removeAttribute	Removes an attribute from an object.
removeAttributeNode	Removes an attribute object from the object.
removeAttributeNS	Removes the specified attribute 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.
replaceData	Replaces a specified range of characters in the object with a new character string.
replaceNode	Replaces the object with another element.
scrollIntoView	Causes the object to scroll into view, aligning it either at the top or bottom of the window.
setActive	Sets the object as active without setting focus to the object.
setAttribute	Sets the value of the specified attribute.
setAttributeNode	Sets an attribute object node as part of the object.
setAttributeNodeNS	Sets an attribute object as part of the object.
setAttributeNS	Sets the value of the specified attribute within the specified namespace.
setCapture	Sets the mouse capture to the object that belongs to the current document.
substringData	Extracts a range of characters from the object.
swapNode	Exchanges the location of two objects in the document hierarchy.

Properties

The comment object has these properties.

Property	Description
attributes	Retrieves a collection of attributes of the object.
canHaveChildren	Gets a value indicating whether the object can contain child objects.
canHaveHTML	Retrieves the value indicating whether the object can contain rich HTML markup.
childElementCount	Retrieves the number of immediate child nodes of the current element or a zero if the element does not contain any child nodes. childElementCount does not return all child nodes, only child nodes that are nodeType =1, or element nodes.
constructor	Returns a reference to the constructor of an object.
data	Sets or retrieves the URL that references the data of the object.
firstChild	Gets a reference to the first child in the childNodes collection of the object.
firstElementChild	Retrieves a reference to the first child element, or null if there are no child elements.
id	Sets or retrieves the string identifying 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.
lastChild	Gets a reference to the last child in the childNodes collection of an object.
lastElementChild	Retrieves a reference to the last child element or null if there are no child elements.
length	Sets or retrieves the number of objects in a collection.
nextElementSibling	Retrieves a reference to the sibling element that immediately follows or null if the element does not have any sibling elements that follow it.
nextSibling	Retrieves a reference to the next child of the parent for the object.
nodeName	Gets the name of a particular type of node.
nodeType	Retrieves the type of the requested node.
nodeValue	Gets or sets the value of a node.
ownerDocument	Retrieves the document object associated with the node.
parentNode	Retrieves the parent object in the document hierarchy.
previousElementSibling	Retrieves a reference to the immediately preceding sibling element or null if the element does not have any preceding siblings.
previousSibling	Gets a reference to the previous child of the parent for the object.
readyState	Retrieves the current state of the object.
role	Sets or retrieves the role for this element.
scopeName	Gets the namespace defined for the element. This property is not supported for Windows apps using JavaScript.
tagUrn	Sets or gets the URN specified in the namespace declaration. This property is not supported for Windows apps using JavaScript.
text	Retrieves or sets the text of the object as a string.
uniqueID	Retrieves an autogenerated, unique identifier for the object.

Standards information

There are no standards that apply here.

Remarks

The COMMENT element is treated as a no-scope element and does not expose any children.

The comment. length property, available as of Microsoft Internet Explorer 6, returns the number of characters in the object.