substringData
(method
)
Owning interface and usage:
CharacterData.
substringData(
offset,
count)
Member of these other interfaces :
Description:
Extracts a range of data from the node.
Parameters:
unsigned offset |
- |
Start offset of substring to extract.
|
Returns:
DOMString -
The specified substring. If the sum of offset and count exceeds the length, then all 16-bit units to the end of the data are returned.
Exceptions:
- DOMException INDEX_SIZE_ERR
-
Raised if the specified offset is negative or greater than the number of 16-bit units in data, or if the specified count is negative.
- DOMException DOMSTRING_SIZE_ERR
-
Raised if the specified range of text does not fit into a DOMString.
_____________________________________________