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_[Demo and API docs](https://elements.polymer-project.org/elements/iron-a11y-announcer)_
##<iron-a11y-announcer>
`iron-a11y-announcer` is a singleton element that is intended to add a11y to features that require on-demand announcement from screen readers. In order to make use of the announcer, it is best to request its availability in the announcing element.
Example:
```javascript Polymer({
is: 'x-chatty',
attached: function() { // This will create the singleton element if it has not // been created yet: Polymer.IronA11yAnnouncer.requestAvailability(); } }); ```
After the `iron-a11y-announcer` has been made available, elements can make announces by firing bubbling `iron-announce` events.
Example:
```javascript this.fire('iron-announce', { text: 'This is an announcement!' }, { bubbles: true }); ```
Note: announcements are only audible if you have a screen reader enabled.