# mathml-tag-names

> List of known MathML tag names

Latest version **4.0.0** (published 2025-02-17) · MIT license · 0 weekly downloads

## Install

```sh
npm install mathml-tag-names
pnpm add mathml-tag-names
yarn add mathml-tag-names
bun add mathml-tag-names
```

## Health

**Score 40/100 (D)** — status: maintenance-mode.

Positive: has types; esm support; no vulnerabilities; high quality score.

Warnings: low downloads.

Negative: stale; low maintenance score.

## Facts

| | |
|---|---|
| Version | 4.0.0 |
| Published | 2025-02-17 |
| First published | 2016-03-19 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | bundled |
| Module format | ESM |
| Dependencies | 0 |
| Unpacked size | 9.8 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| GitHub stars | 6 |
| Author | Titus Wormer |
| Maintainers | wooorm |
| Keywords | element, mathml, math, name, tagname, tag, w3c |

## Links

- npm: https://www.npmjs.com/package/mathml-tag-names
- Repository: https://github.com/wooorm/mathml-tag-names
- Homepage: https://github.com/wooorm/mathml-tag-names#readme
- Issues: https://github.com/wooorm/mathml-tag-names/issues
- Funding: https://github.com/sponsors/wooorm
- npm.io page: https://npm.io/package/mathml-tag-names

## Alternatives

- [base64url](https://npm.io/package/base64url.md) — 6.1M weekly downloads
- [get-installed-path](https://npm.io/package/get-installed-path.md) — 502.9K weekly downloads
- [@uppy/url](https://npm.io/package/@uppy/url.md) — 185.8K weekly downloads
- [@d3fc/d3fc-shape](https://npm.io/package/@d3fc/d3fc-shape.md) — 16.2K weekly downloads
- [localizer](https://npm.io/package/localizer.md) — 226 weekly downloads

## Recent versions

- 4.0.0 (latest) — 2025-02-17
- 3.0.2 — 2021-11-01
- 3.0.1 — 2021-03-10
- 3.0.0 — 2021-03-10
- 2.1.3 — 2020-01-24
- 2.1.1 — 2019-05-13
- 2.1.0 — 2018-05-01
- 2.0.2 — 2018-04-15
- 2.0.1 — 2017-06-25
- 2.0.0 — 2016-11-12
- 1.0.0 — 2016-03-19

## README

# mathml-tag-names

[![Build][badge-build-image]][badge-build-url]
[![Coverage][badge-coverage-image]][badge-coverage-url]
[![Downloads][badge-downloads-image]][badge-downloads-url]
[![Size][badge-size-image]][badge-size-url]

List of known MathML tag names.

## Contents

* [What is this?](#what-is-this)
* [When should I use this?](#when-should-i-use-this)
* [Install](#install)
* [Use](#use)
* [API](#api)
  * [`mathmlTagNames`](#mathmltagnames)
* [Types](#types)
* [Compatibility](#compatibility)
* [Security](#security)
* [Related](#related)
* [Contribute](#contribute)
* [License](#license)

## What is this?

This is a list of MathML tag names.
It includes all tag names from [MathML 1][w3-mathml1],
[MathML 2][w3-mathml2],
[MathML 3][w3-mathml3],
and
[MathML 4][w3-mathml4].
The repo includes scripts to regenerate the data from the specs.

## When should I use this?

You can use this package when you need to know what tag names are allowed in
any version of MathML.

## Install

This package is [ESM only][github-gist-esm].
In Node.js (version 16+),
install with [npm][npmjs-install]:

```sh
npm install mathml-tag-names
```

In Deno with [`esm.sh`][esmsh]:

```js
import {mathmlTagNames} from 'https://esm.sh/mathml-tag-names@4'
```

In browsers with [`esm.sh`][esmsh]:

```html
<script type="module">
  import {mathmlTagNames} from 'https://esm.sh/mathml-tag-names@4?bundle'
</script>
```

## Use

```js
import {mathmlTagNames} from 'mathml-tag-names'

console.log(mathmlTagNames.length) // => 201

console.log(mathmlTagNames.slice(0, 10))
```

Yields:

```js
[
  'abs',
  'and',
  'annotation',
  'annotation-xml',
  'apply',
  'approx',
  'arccos',
  'arccosh',
  'arccot',
  'arccoth'
]
```

## API

This package exports the identifier `mathmlTagNames`.
There is no default export.

### `mathmlTagNames`

List of known (lowercase) MathML tag names (`ReadonlyArray<string>`).

## Types

This package is fully typed with [TypeScript][].
It exports no additional types.

## Compatibility

This package is at least compatible with all maintained versions of Node.js.
As of now,
that is Node.js 16+.
It also works in Deno and modern browsers.

## Security

This package is safe.

## Related

* [`wooorm/html-tag-names`](https://github.com/wooorm/html-tag-names)
  — list of HTML tag names
* [`wooorm/svg-tag-names`](https://github.com/wooorm/svg-tag-names)
  — list of SVG tag names
* [`wooorm/svg-element-attributes`](https://github.com/wooorm/svg-element-attributes)
  — map of SVG elements to attributes
* [`wooorm/html-element-attributes`](https://github.com/wooorm/html-element-attributes)
  — map of HTML elements to attributes
* [`wooorm/aria-attributes`](https://github.com/wooorm/aria-attributes)
  — list of ARIA attributes

## Contribute

Yes please!
See [*How to Contribute to Open Source*][opensource-guide].

## License

[MIT][file-license] © [Titus Wormer][wooorm]

<!-- Definition -->

[badge-build-image]: https://github.com/wooorm/mathml-tag-names/workflows/main/badge.svg

[badge-build-url]: https://github.com/wooorm/mathml-tag-names/actions

[badge-coverage-image]: https://img.shields.io/codecov/c/github/wooorm/mathml-tag-names.svg

[badge-coverage-url]: https://codecov.io/github/wooorm/mathml-tag-names

[badge-downloads-image]: https://img.shields.io/npm/dm/mathml-tag-names.svg

[badge-downloads-url]: https://www.npmjs.com/package/mathml-tag-names

[badge-size-image]: https://img.shields.io/bundlejs/size/mathml-tag-names

[badge-size-url]: https://bundlejs.com/?q=mathml-tag-names

[esmsh]: https://esm.sh

[file-license]: license

[github-gist-esm]: https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c

[npmjs-install]: https://docs.npmjs.com/cli/install

[opensource-guide]: https://opensource.guide/how-to-contribute/

[typescript]: https://www.typescriptlang.org

[w3-mathml1]: https://www.w3.org/TR/1998/REC-MathML-19980407/appendixF.html

[w3-mathml2]: https://www.w3.org/TR/MathML2/appendixl.html

[w3-mathml3]: https://www.w3.org/TR/MathML3/appendixi.html

[w3-mathml4]: https://www.w3.org/TR/mathml4/#mmlindex_elements

[wooorm]: https://wooorm.com

---
_Source: https://npm.io/package/mathml-tag-names · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._