saveFormFields()

saveFormFields() is a default implementation of a beforeRedirect callback. When used in conjunction with restoreFormFields(), the contents of any input elements on your page can be restored across browser redirects during the payment process.

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saveFormFields() can be configured as the beforeRedirect callback using the data-beforeRedirect attribute on the Checkout script tag.

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<html>
    <head>
        <script src="https://gateway-na.americanexpress.com/checkout/version/100/checkout.js"
            data-beforeRedirect="Checkout.saveFormFields"
            data-afterRedirect="Checkout.restoreFormFields">
        </script>
    </head>
    ...
</html>

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None

Return Value Copied to clipboard

fieldData

An object which represents the input elements on the current page and their values. The input values can be re-written to the page by passing this object to restoreFormFields().