Writes one or more HTML expressions to a document in the specified window. 
Syntax
document.write(sText)
Parameters
| sText | 
Required.
String爐hat specifies the text and HTML tags to write. | 
Return Value
No return value.
Remarks
You should not use the write or writeln methods on the current document after the document has finished loading unless you first call the open method, which clears the current document's window and erases all variables.
Note  When 
document.
write or 
document.
writeln is used in an event handler, 
document.
close should also be used.
 
Standards Information
This method is defined in 
World Wide Web Consortium (W3C) Document Object Model (DOM) Level 1 
.
Applies To
See Also
writeln, open