Handle SharePoint Errors in JQuery Success Handler

successerror

$.ajax({
  headers: { "X-RequestDigest": formDigestValue },
  url: url,
  method: "POST",
  contentType: "application/json",
  data: submitData,
  success: function(data){
    if(data.indexOf("<meta name=\"SharePointError\"") > 0){ 
      // oh noes!
      // error handling
    }
    else {  
      //we're good!
    }
  },
  error: error
  });