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document Object
Represents the HTML document in a given browser window.
Remarks
The document object is the root of the document tree, and provides the primary access to the document's data.
We use the document object to retrieve information about the document, to examine and modify the HTML elements and text within the document, and to process events.
The document object is available at all times. We can retrieve the object by applying the document property to a window or an element object. If used by itself, document represents the document in the current window.
Members
Example
The following example checks for the document TITLE and displays the title, if not null, in an alert box.
if ( document.title != "" ) alert ( "The title of this document is \n" + document.title )
Show me The following example shows how a script can be used to dynamically retrieve property values from the current document.
The sample below uses a simple event handler to track and display the current position of the mouse. The coordinates shown are relative to the upper-left corner of the document.
var x, y;
function mouseMove ( e ) {
x = ( ie4up ) ? event.offsetX : e.pageX;
y = ( ie4up ) ? event.offsetY : e.pageY;
status = 'x = ' + x + ' y = ' + y;
coords.innerText = 'x = ' + x + ' y = ' + y;
return true;
}
document.onmousemove = mouseMove;
if ( ns4 || ns6 ) document.captureEvents ( Event.MOUSEMOVE );
Applies To
| Contents |
|---|
| HTML Elements / DOM Objects |
| HTML Element Attributes |
| CSS Attributes |
| DOM Object Properties |
| DOM-compliant Events Reference |
| DOM Methods Reference |
| DOM Collections Reference |
