Retrieves a reference to the root node of the document. 
Syntax
[ oElement = ] document.documentElement
Possible Values
| oElement | 
Object that
receives the reference to the document element. | 
The property is read-only.
The property has no default value.
Remarks
The root node of a typical HTML document is the html object. 
Example
This example uses the documentElement property to retrieve the innerHTML property of the entire document.
<SCRIPT>
function fnGetHTML(){
var sData = document.documentElement.innerHTML;
oResults.value=sData;
}
</SCRIPT>
<TEXTAREA ID = oResults COLS = 50 ROWS = 10>
</TEXTAREA>
Standards Information
This property is defined in 
World Wide Web Consortium (W3C) Document Object Model (DOM) Level 1 
.
Applies To