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@polymer/iron-dropdown
Advanced tools
An unstyled element that works similarly to a native browser select
<iron-dropdown>
displays content inside a fixed-position container,
positioned relative to another element.
See: Documentation, Demo.
npm install --save @polymer/iron-dropdown
<html>
<head>
<script type="module">
import '@polymer/iron-dropdown/iron-dropdown.js';
</script>
<style>
#container {
display: inline-block;
}
iron-dropdown {
border: 1px solid gray;
background: white;
font-size: 2em;
}
</style>
</head>
<body>
<div id="container">
<button onclick="dropdown.open();">open the iron-dropdown</button>
<iron-dropdown id="dropdown" no-overlap>
<div slot="dropdown-content">Hello!</div>
</iron-dropdown>
</div>
</body>
</html>
import {PolymerElement, html} from '@polymer/polymer';
import '@polymer/iron-dropdown/iron-dropdown.js';
class SampleElement extends PolymerElement {
static get template() {
return html`
<style>
:host {
display: inline-block;
}
iron-dropdown {
border: 1px solid gray;
background: white;
font-size: 2em;
}
</style>
<button on-click="_openDropdown">open the dropdown</button>
<iron-dropdown id="dropdown" horizontal-align="right" vertical-align="top">
<div slot="dropdown-content">Hello!</div>
</iron-dropdown>
`;
}
_openDropdown() {
this.$.dropdown.open();
}
}
customElements.define('sample-element', SampleElement);
In the above example, the <div>
assigned to the dropdown-content
slot will
be hidden until the dropdown element has opened
set to true, or when the
open
method is called on the element.
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/iron-dropdown
cd iron-dropdown
npm install
npm install -g polymer-cli
polymer serve --npm
open http://127.0.0.1:<port>/demo/
polymer test --npm
FAQs
An unstyled element that works similarly to a native browser select
The npm package @polymer/iron-dropdown receives a total of 10,482 weekly downloads. As such, @polymer/iron-dropdown popularity was classified as popular.
We found that @polymer/iron-dropdown demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 11 open source maintainers collaborating on the project.
Did you know?
Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
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