html-all-known-attributes

All HTML attributes known to the Humanity

Install

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

npm i html-all-known-attributes

Quick Take

import { strict as assert } from "assert";

import { allHtmlAttribs } from "html-all-known-attributes";

assert.equal(allHtmlAttribs.has("href"), true);

assert.equal(allHtmlAttribs.size, 702);

// iterating:
const gathered = [];
for (let x of allHtmlAttribs) {
  // push first three
  if (gathered.length < 3) {
    gathered.push(x);
  }
}
assert.deepEqual(gathered, ["abbr", "accept", "accept-charset"]);

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