For use with WooCommerce One Page Checkout. Install and activate this plugin. It will offer a way to auto-select a radio-button product on page load, when using the 'Product-List' template. This ...

Ideally I just want to setup a simple 'onclick' JavaScript event where when someone clicks this a radio button on my form automatically updates based off of it.

For each one of them, a radio button is displayed. Once the user clicks on a radio button, JavaScript code dynamically populates the label with the selected date format.