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Contents
# is-potential-custom-element-name [](https://travis-ci.org/mathiasbynens/is-potential-custom-element-name)
_is-potential-custom-element-name_ checks whether a given string matches [the `PotentialCustomElementName` production](https://html.spec.whatwg.org/multipage/scripting.html#prod-potentialcustomelementname) as defined in the HTML Standard.
## Installation
To use _is-potential-custom-element-name_ programmatically, install it as a dependency via [npm](https://www.npmjs.com/):
```bash
$ npm install is-potential-custom-element-name
```
Then, `require` it:
```js
const isPotentialCustomElementName = require('is-potential-custom-element-name');
```
## Usage
```js
isPotentialCustomElementName('foo-bar');
// → true
isPotentialCustomElementName('Foo-bar');
// → false
isPotentialCustomElementName('baz-©');
// → false
isPotentialCustomElementName('annotation-xml');
// → true
```
## Author
| [](https://twitter.com/mathias "Follow @mathias on Twitter") |
|---|
| [Mathias Bynens](https://mathiasbynens.be/) |
## License
_is-potential-custom-element-name_ is available under the [MIT](https://mths.be/mit) license.
Version data entries
46 entries across 46 versions & 2 rubygems