| Platform | Since |
|---|---|
| Android | 0.9 |
| iPhone | 0.9 |
| iPad | 0.9 |
Extracts a range of data from the node. Throws an exception if offset is negative, offset is beyond the data's length, or if count is negative.
| Name | Type | Summary |
|---|---|---|
| offset | Number |
Start offset of substring to extract. |
| count | Number |
The number of characters units to extract. |
