paper-dropdown-menu is similar to a native browser select element.
paper-dropdown-menu works with selectable content.
See: Documentation, Demo.
npm install --save @polymer/paper-dropdown-menu
<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>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);If you want to send a PR to this element, here are the instructions for running the tests and demo locally:
git clone https://github.com/PolymerElements/paper-dropdown-menu
cd paper-dropdown-menu
npm install
npm install -g polymer-clipolymer serve --npm
open http://127.0.0.1:<port>/demo/polymer test --npm