CharacterData: replaceData() method
The replaceData()
method of the CharacterData
interface removes a certain number of characters of the existing text in a given CharacterData
node and replaces those characters with the text provided.
Syntax
js
characterData.replaceData(offset, count, data)
Parameters
offset
-
The number of characters from the start of the data to insert at.
0
is the first character of the string. count
-
The number of characters to replace with the provided data.
data
-
The data to insert.
Return value
None.
Exceptions
IndexSizeError
DOMException
-
Thrown if
offset
orcount
is negative oroffset
is greater than the length of the contained data.
Example
html
<span>Result: </span>A long string.
js
const span = document.querySelector("span");
const textnode = span.nextSibling;
textnode.replaceData(2, 4, "replaced");
Specifications
Specification |
---|
DOM Standard # dom-characterdata-replacedata |
Browser compatibility
BCD tables only load in the browser