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bower_components/iron-meta/README.md

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+iron-meta
+=========
+
+`iron-meta` is a generic element you can use for sharing information across the DOM tree.
+It uses [monostate pattern](http://c2.com/cgi/wiki?MonostatePattern) such that any
+instance of iron-meta has access to the shared
+information. You can use `iron-meta` to share whatever you want (or create an extension
+[like x-meta] for enhancements).
+
+The `iron-meta` instances containing your actual data can be loaded in an import,
+or constructed in any way you see fit. The only requirement is that you create them
+before you try to access them.
+
+Examples:
+
+If I create an instance like this:
+
+```html
+<iron-meta key="info" value="foo/bar"></iron-meta>
+```
+
+Note that value="foo/bar" is the metadata I've defined. I could define more
+attributes or use child nodes to define additional metadata.
+
+Now I can access that element (and it's metadata) from any iron-meta instance
+via the byKey method, e.g.
+
+```javascript
+meta.byKey('info').getAttribute('value');
+```
+
+Pure imperative form would be like:
+
+```javascript
+document.createElement('iron-meta').byKey('info').getAttribute('value');
+```
+
+Or, in a Polymer element, you can include a meta in your template:
+
+```html
+<iron-meta id="meta"></iron-meta>
+```
+
+```javascript
+this.$.meta.byKey('info').getAttribute('value');
+```