The insertData() method of the CharacterData interface inserts the provided data into this CharacterData node's current data, at the provided offset from the start of the existing data. The provided data is spliced into the existing data.
CharacterData.insertData()
Syntax
characterData.insertData(offset, data)
Parameters
-
offset -
The offset number of characters to insert the provided data at.
0is the first character of the string. -
data -
The data to insert.
Return value
None.
Exceptions
-
IndexSizeErrorDOMException -
Thrown if offset is negative or greater than the length of the contained data.
Example
<span>Result: </span>A string.
let span = document.getElementsByTagName("span")[0]; let textnode = span.nextSibling; textnode.insertData(2, "long ");
Specifications
| Specification |
|---|
| DOM Standard # dom-characterdata-insertdata |
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
insertData |
1
|
12
|
1
|
6
|
≤12.1
|
1
|
1
|
18
|
4
|
≤12.1
|
1
|
1.0
|
See also
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/CharacterData/insertData
