DocumentType: publicId 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 publicId property of the DocumentType returns a formal identifier of the document.
For synthetic DocumentType, this property reflects the value given in parameter to DOMImplementation.createDocumentType().
Value
A string.
Examples
js
const docType = document.implementation.createDocumentType(
"svg",
"-//W3C//DTD SVG 1.1//EN",
"http://www.w3.org/2000/svg",
);
console.log(docType.publicId); // Displays "-//W3C//DTD SVG 1.1//EN"
Specifications
| Specification |
|---|
| DOM # dom-documenttype-publicid |
Browser compatibility
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