I'm trying to find the jQuery of the place order button in the onepagecheckout page.

Does anybody know how I can edit the jQuery functionality of the place order button? Please give me a suggestion.

1 Answer 1


There is no jQuery for the place order. Magento 1 uses prototype by default.
The js called by the button is declared in checkout/onepage/revi8ew/button.phtml and it is review.save(). the code executed is in skin/frontend/{package}/{theme}/js/opcheckout.js.
Look for the Review.prototype = { line and below that you will find the save function.

save: function(){
    if (checkout.loadWaiting!=false) return;
    var params = Form.serialize(payment.form);
    if (this.agreementsForm) {
        params += '&'+Form.serialize(this.agreementsForm);
    params.save = true;
    var request = new Ajax.Request(
            onComplete: this.onComplete,
            onSuccess: this.onSave,
            onFailure: checkout.ajaxFailure.bind(checkout)

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