Programmer's Guide > Interfaces > W3C CharacterData interface > appendData method
  
appendData method
Append the string to the end of the character data of the node. Upon success, data provides access to the concatenation of data and the DOMString specified.
appendData(arg )
Parameters
Stringarg
The DOMString to append.
Returns
void
Throws
DOMException
NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.