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Yes, add an onSubmit listener, and instead of submitting the form, forward to the confirmation page, passing the would-be-submitted values (the object returned by form.getValues()) in the query string. You can pass them as a JSON block since they're already a JS object.
On the confirmation page, parse the object from the query string into an HTML table or whatever you want. At the same time, populate a hidden form (it can be the same Marketo form, but set to display: none;) with the same values.
When the person clicks a button on the second page, submit the hidden form.