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_[Demo and API docs](https://elements.polymer-project.org/elements/iron-form)_


## &lt;iron-form&gt;
`<iron-form>` is a wrapper around the HTML `<form>` element, that can
validate and submit both custom and native HTML elements.

It has two modes: if `allow-redirect` is true, then after the form submission you
will be redirected to the server response. Otherwise, if it is false, it will
use an `iron-ajax` element to submit the form contents to the server.

  Example:

```html
    <iron-form>
      <form method="get" action="/form/handler">
        <input type="text" name="name" value="Batman">
        <input type="checkbox" name="donuts" checked> I like donuts<br>
        <paper-checkbox name="cheese" value="yes" checked></paper-checkbox>
      </form>
    </iron-form>
```

By default, a native `<button>` element (or `input type="submit"`) will submit this form. However, if you
want to submit it from a custom element's click handler, you need to explicitly
call the `iron-form`'s `submit` method.

  Example:

```html
    <paper-button raised onclick="submitForm()">Submit</paper-button>

    function submitForm() {
      document.getElementById('iron-form').submit();
    }
```