@polymer/paper-dropdown-menu
Version:
An element that works similarly to a native browser select
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Markdown
[](https://www.npmjs.com/package/@polymer/paper-dropdown-menu)
[](https://travis-ci.org/PolymerElements/paper-dropdown-menu)
[](https://webcomponents.org/element/@polymer/paper-dropdown-menu)
## <paper-dropdown-menu>
`paper-dropdown-menu` is similar to a native browser select element.
`paper-dropdown-menu` works with selectable content.
See: [Documentation](https://www.webcomponents.org/element/@polymer/paper-dropdown-menu),
[Demo](https://www.webcomponents.org/element/@polymer/paper-dropdown-menu/demo/demo/index.html).
## Usage
### Installation
```
npm install --save @polymer/paper-dropdown-menu
```
### In an html file
```html
<html>
<head>
<script type="module">
import '@polymer/paper-dropdown-menu/paper-dropdown-menu.js';
import '@polymer/paper-item/paper-item.js';
import '@polymer/paper-listbox/paper-listbox.js';
</script>
</head>
<body>
<paper-dropdown-menu label="Dinosaurs">
<paper-listbox slot="dropdown-content" selected="1">
<paper-item>allosaurus</paper-item>
<paper-item>brontosaurus</paper-item>
<paper-item>carcharodontosaurus</paper-item>
<paper-item>diplodocus</paper-item>
</paper-listbox>
</paper-dropdown-menu>
</body>
</html>
```
### In a Polymer 3 element
```js
import {PolymerElement, html} from '@polymer/polymer';
import '@polymer/paper-dropdown-menu/paper-dropdown-menu.js';
import '@polymer/paper-item/paper-item.js';
import '@polymer/paper-listbox/paper-listbox.js';
class SampleElement extends PolymerElement {
static get template() {
return html`
<paper-dropdown-menu label="Dinosaurs">
<paper-listbox slot="dropdown-content" selected="1">
<paper-item>allosaurus</paper-item>
<paper-item>brontosaurus</paper-item>
<paper-item>carcharodontosaurus</paper-item>
<paper-item>diplodocus</paper-item>
</paper-listbox>
</paper-dropdown-menu>
`;
}
}
customElements.define('sample-element', SampleElement);
```
## Contributing
If you want to send a PR to this element, here are
the instructions for running the tests and demo locally:
### Installation
```sh
git clone https://github.com/PolymerElements/paper-dropdown-menu
cd paper-dropdown-menu
npm install
npm install -g polymer-cli
```
### Running the demo locally
```sh
polymer serve --npm
open http://127.0.0.1:<port>/demo/
```
### Running the tests
```sh
polymer test --npm
```