DOMCharacterData->replaceData() Replace a substring within the DOMCharacterData node &reftitle.description; DOMCharacterData voidreplaceData intoffset intcount stringdata Replace count characters starting from position offset with data. &reftitle.parameters; offset The offset from which to start replacing. count The number of characters to replace. If the sum of offset and count exceeds the length, then all characters to the end of the data are replaced. data The string with which the range must be replaced. &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, or if count is negative. &reftitle.seealso;