Language: JavaScript
Label: safe
CWE: CWE-829 \u2014 Inclusion of Functionality from Untrusted Control Sphere
The product imports, requires, or includes executable functionality (such as a library) from a source that is outside of the intended control sphere.

Code:
function backToPurchaseList() {
    
    /** show the customer purchase list */
    $("#showPurchaseList").show();

    /** Hide the purchase product list */
    $("#showPurchaseProductList").hide();

}