detect-is-it-html-or-xhtml

Does the string resemble an HTML or XHTML (or neither)?

Install

This package is pure ESM. If you're not ready yet, install an older version of this program, 4.1.0 (npm i detect-is-it-html-or-xhtml@4.1.0).

npm i detect-is-it-html-or-xhtml

Quick Take

import { strict as assert } from "assert";

import { detectIsItHTMLOrXhtml } from "detect-is-it-html-or-xhtml";

assert.equal(
  detectIsItHTMLOrXhtml(
    '<img src="some.jpg" width="zzz" height="zzz" border="0" style="display:block;" alt="zzz"/>',
  ),
  "xhtml",
);

Documentation

Please visit codsen.com for a full description of the API.

Contributing

To report bugs or request features or assistance, raise an issue on GitHub.

Licence

MIT License.

Copyright © 2010-2025 Roy Revelt and other contributors.