undefined value working in jquery 1.8.3 but not in 1.9.1
in 1.8.3 my flow goes in to this if condition but not in 1.9.1
var order_node = $('div.oe_website_sale_tx_status');
if (! order_node || order_node.data('orderId') === undefined) {
return;
}
if `.data()` is changed in new version.
**HTML**
<div class="oe_website_sale_tx_status" data-order-id="order.id">
.....
.....
</div>