CharacterData: appendData() method
The appendData() method of the CharacterData interface
adds the provided data to the end of the node's current data.
Syntax
js
appendData(data)
Parameters
data-
The data to append to the current node.
Return value
None.
Example
html
<span>Result: </span>A text
js
const span = document.querySelector("span");
const textNode = span.nextSibling;
textNode.appendData(" - appended text.");