Demo and API docs

##<gold-cc-expiration-input>

gold-cc-expiration-input is a single-line text field with Material Design styling for entering a credit card's expiration date

<gold-cc-expiration-input></gold-cc-expiration-input>
<gold-cc-expiration-input value="11/15"></gold-cc-expiration-input>

It may include an optional label, which by default is "Expiration Date".

<gold-cc-expiration-input label="Date"></gold-cc-expiration-input>

Validation

The input can check whether the entered date is a valid, future date.

The input can be automatically validated as the user is typing by using the auto-validate and required attributes. For manual validation, the element also has a validate() method, which returns the validity of the input as well sets any appropriate error messages and styles.

See Polymer.PaperInputBehavior for more API docs.

Styling

See Polymer.PaperInputContainer for a list of custom properties used to style this element.