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web api instance property

CharacterData: length property

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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 data string.

Example

[!NOTE] CharacterData is an abstract interface. The examples below use Text, a concrete interface implementing it.

Length of the string in the <code>Text</code> node: <output></output>
const output = document.querySelector("output");
const textNode = new Text("This text has been set using 'textNode.data'.");

output.value = textNode.length;
Interactive exampleOpen the canonical MDN source to run this embedded demo.

Specifications

SpecificationsStandards references are available on the canonical MDN page.

Browser compatibility

Browser compatibilityCompatibility data is available on the canonical MDN page.