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

Change Log

All notable changes to this project will be documented in this file. See Conventional Commits for commit guidelines.

6.1.0 (2025-10-15)

Features

• if value to be added is a number, keep it as is, don't stringify (ce3e1a5)

6.0.0 (2022-12-01)

BREAKING CHANGES

• Minimum supported Node version is v14.18; we're dropping v12 support

5.1.0 (2022-08-12)

Features

• export types (11b5fb9)

5.0.0 (2021-09-09)

Features

• migrate to ES Modules (8c9d95d)

BREAKING CHANGES

• programs now are in ES Modules and won't work with Common JS require()

4.1.0 (2021-05-24)

Features

• config file based major bump blacklisting (e15f9bb)

4.0.15 (2021-04-11)

Reverts

• Revert "chore: setup refresh" (23cf206)

4.0.1 (2021-01-28)

Fixed

• add testStats to npmignore (f3c84e9)

4.0.0 (2021-01-23)

Features

• rewrite in TS (7130bce), start using named exports

BREAKING CHANGES

• previously you'd consume like: import allHtmlAttribs from ... — now: import { allHtmlAttribs } from ...

3.0.0 (2020-11-28)

Accidental version bump during migration to SourceHut. Sorry about that.

2.0.0 (2020-04-13)

Features

• export Set instead of Array and remove JSON source file (d09e5b7)

BREAKING CHANGES

• For perf reasons, export Set instead of Array and remove JSON source file

1.3.0 (2020-01-05)

Features

• add xmlns (7154f5f)

1.2.0 (2020-01-01)

Features

• add two html attributes used in edialog tracking links in emails (4644703)

1.1.0 (2019-12-27)

Features

• init (2b332dd)

1.0.0 (2019-12-25)

• First public release