$(document).on(“updated_cart_totals”, function(){
$(‘.qty’).spinner({
change: function (event, ui) {

},
spin: function( event, ui ) {
$(“[name=update_cart]”).prop(“disabled”, false);
}
});
});
$(‘.qty’).spinner({
change: function (event, ui) {

},
spin: function( event, ui ) {
$(“[name=update_cart]”).prop(“disabled”, false);
}
});