Could someone please tell me where the JS is for changing the price when a user clicks on a product custom radio option in the product detail page

1 Answer 1


If you are talking about the product custom options, the javascript is in app/design/frontend/{package}/{theme}/template/catalog/product/view/options.phtml.
I think the reloadPrice function is what you are looking for.

  • @Goose84, Please tell me where did you find the JS? Commented May 17, 2020 at 7:25

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