DOMCharacterData->insertData() Insert a string at the specified 16-bit unit offset &reftitle.description; DOMCharacterData voidinsertData intoffset stringdata Inserts string data at position offset. &reftitle.parameters; offset The character offset at which to insert. data The string to insert. &reftitle.returnvalues; &return.void; &reftitle.exceptions; DOM_INDEX_SIZE_ERR Raised if offset is negative or greater than the number of 16-bit units in data. &reftitle.seealso;