javascript - Ajax jqXHR.status==0 fix error -

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 $.ajax({          url: urlstring,          datatype: "json",          type: "get",          success: function (data) {              alert(data);          },          error: function (jqxhr, exception) {              if (jqxhr.status === 0) {                  alert('not connect.\n verify network.');              } else if (jqxhr.status == 404) {                  alert('requested page not found. [404]');              } else if (jqxhr.status == 500) {                  alert('internal server error [500].');              } else if (exception === 'parsererror') {                  alert('requested json parse failed.');              } else if (exception === 'timeout') {                  alert('time out error.');              } else if (exception === 'abort') {                  alert('ajax request aborted.');              } else {                  alert('uncaught error.\n' + jqxhr.responsetext);              }           }      });

this javascript file im using access information server. urlstring supplied , correct. did download .json server retrieving , accessed locally on computer. when go access file server keep getting jqxhr.status==0 error. i'm not sure how fix because can't see wrong code.

can point me in right direction fix error?

the reason different status codes file isn't fetched http: protocol file: protocol. it's natural different protocols have different status codes.

you need have different behaviour depending on fetch file from.

there mozilla bug report this, marked invalid because considered correct result.


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