CharacterData: length property
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 read-only CharacterData.length property
returns the number of characters in the contained data, as a positive integer.
Value
A positive integer with the length of the CharacterData.data string.
Example
Note:
CharacterData is an abstract interface.
The examples below use Text, a concrete interface implementing it.
html
Length of the string in the <code>Text</code> node: <output></output>
js
const output = document.querySelector("output");
const textNode = new Text("This text has been set using 'textNode.data'.");
output.value = textNode.length;
Specifications
| Specification |
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| DOM # dom-characterdata-length |
Browser compatibility
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Legend
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- Full support
- Full support