CharacterData: substringData() method
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The substringData()
method of the CharacterData
interface
returns a portion of the existing data,
starting at the specified index
and extending for a given number of characters afterwards.
Syntax
js
domString = characterData.substringData(offset, count)
Parameters
Return value
A string with the substring.
Exceptions
IndexSizeError
DOMException
-
Thrown if
offset
+count
is larger than the length of the contained data.
Specifications
Specification |
---|
DOM Standard # dom-characterdata-substringdata |
Browser compatibility
BCD tables only load in the browser