This JSON request:
$.ajax({ url:jSONurl+\'?orderID=\'+thisOrderID+\'&variationID=\'+thisVariationID+\'&quantity=\'+thisQuantity+\'&callback=?
If you are using POST you can use something like this:
$.post('account/check-notifications') .done(function(data) { // success function }) .fail(function(jqXHR){ if(jqXHR.status==500 || jqXHR.status==0){ // internal server error or internet connection broke } });