# @polymer/iron-meta
> Useful for sharing information across a DOM tree
Latest version **3.0.1** (published 2018-09-14) · BSD-3-Clause license · 0 weekly downloads
## Install
```sh
npm install @polymer/iron-meta
pnpm add @polymer/iron-meta
yarn add @polymer/iron-meta
bun add @polymer/iron-meta
```
## Health
**Score 25/100 (F)** — status: abandoned.
Positive: no vulnerabilities.
Warnings: low downloads; no types; no esm support.
Negative: abandoned.
## Facts
| | |
|---|---|
| Version | 3.0.1 |
| Published | 2018-09-14 |
| First published | 2016-02-02 |
| Weekly downloads | 0 |
| License | BSD-3-Clause |
| TypeScript types | none |
| Module format | CommonJS |
| Dependencies | 1 |
| Unpacked size | 18.5 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| GitHub stars | 26 |
| Author | The Polymer Authors |
| Maintainers | aomarks, azakus, bicknellr, emarquez, justinfagnani, keanulee, notwaldorf, polymer-devs, samli, sorvell, usergenic |
| Keywords | web-components, polymer |
## Links
- npm: https://www.npmjs.com/package/@polymer/iron-meta
- Repository: https://github.com/PolymerElements/iron-meta
- Homepage: https://github.com/PolymerElements/iron-meta#readme
- Issues: https://github.com/PolymerElements/iron-meta/issues
- npm.io page: https://npm.io/package/@polymer/iron-meta
## Dependencies (1)
- [@polymer/polymer](https://npm.io/package/@polymer/polymer.md) ^3.0.0
## Recent versions
- 3.0.1 (latest) — 2018-09-14
- 3.0.0-pre.20 (next) — 2018-06-23
- 1.1.2-pre.3 (preview) — 2017-01-24
- 3.0.0 — 2018-09-13
- 3.0.0-pre.26 — 2018-09-12
- 3.0.0-pre.25 — 2018-08-29
- 3.0.0-pre.24 — 2018-08-29
- 3.0.0-pre.23 — 2018-08-25
- 3.0.0-pre.22 — 2018-08-25
- 3.0.0-pre.21 — 2018-06-23
- 3.0.0-pre.19 — 2018-05-09
- 3.0.0-pre.18 — 2018-05-09
- 3.0.0-pre.17 — 2018-05-08
- 3.0.0-pre.16 — 2018-05-04
- 3.0.0-pre.15 — 2018-05-02
- … 17 more at https://npm.io/package/@polymer/iron-meta/versions
## README
[](https://www.npmjs.com/package/@polymer/iron-meta)
[](https://travis-ci.org/PolymerElements/iron-meta)
[](https://webcomponents.org/element/@polymer/iron-meta)
## <iron-meta>
`iron-meta` is a generic element you can use for sharing information across the
DOM tree.
See: [Documentation](https://www.webcomponents.org/element/@polymer/iron-meta),
[Demo](https://www.webcomponents.org/element/@polymer/iron-meta/demo/demo/index.html).
## Usage
### Installation
```
npm install --save @polymer/iron-meta
```
### In an HTML file
```html
```
### In a Polymer 3 element
```js
import {PolymerElement} from '@polymer/polymer/polymer-element.js';
import {html} from '@polymer/polymer/lib/utils/html-tag.js';
import '@polymer/iron-meta/iron-meta.js';
class ExampleElement extends PolymerElement {
static get properties() {
return {
prop: String,
};
}
static get template() {
return html`
info: [[prop]]
`;
}
}
customElements.define('example-element', ExampleElement);
```
## 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/iron-meta
cd iron-meta
npm install
npm install -g polymer-cli
```
### Running the demo locally
```sh
polymer serve --npm
open http://127.0.0.1:/demo/
```
### Running the tests
```sh
polymer test --npm
```
---
_Source: https://npm.io/package/@polymer/iron-meta · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._