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Indicates a comment that is not displayed.
Members
The comment object has these types of members:
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 |
---|---|
Retrieves a collection of attributes of the object. | |
Gets a value indicating whether the object can contain child objects. | |
Retrieves the value indicating whether the object can contain rich HTML markup. | |
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. | |
Returns a reference to the constructor of an object. | |
Sets or retrieves the URL that references the data of the object. | |
Gets a reference to the first child in the childNodes collection of the object. | |
Retrieves a reference to the first child element, or null if there are no child elements. | |
Sets or retrieves the string identifying the object. | |
Gets the value that indicates whether the user can edit the contents of the object. | |
Gets the value that indicates whether the user can interact with the object. | |
Retrieves the value indicating whether the content of the object contains one or more lines. | |
Gets a reference to the last child in the childNodes collection of an object. | |
Retrieves a reference to the last child element or null if there are no child elements. | |
Sets or retrieves the number of objects in a collection. | |
Retrieves a reference to the sibling element that immediately follows or null if the element does not have any sibling elements that follow it. | |
Retrieves a reference to the next child of the parent for the object. | |
Gets the name of a particular type of node. | |
Retrieves the type of the requested node. | |
Gets or sets the value of a node. | |
Retrieves the document object associated with the node. | |
Retrieves the parent object in the document hierarchy. | |
Retrieves a reference to the immediately preceding sibling element or null if the element does not have any preceding siblings. | |
Gets a reference to the previous child of the parent for the object. | |
Retrieves the current state of the object. | |
Sets or retrieves the role for this element. | |
Gets the namespace defined for the element. This property is not supported for Windows apps using JavaScript. | |
Sets or gets the URN specified in the namespace declaration. This property is not supported for Windows apps using JavaScript. | |
Retrieves or sets the text of the object as a string. | |
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.
See also