title: How to hide error message in angularjs http request?
body: <p>I have get a request from an API, some times I would get the EXIF information, but sometimes I will get error message <code>{"error":"no exif data"}</code> How can I hide this error message. 
  In chrome, the error is 400 (Bad Request)</p>
  
  <pre><code>$http.get(res.getQNUrl(domain, key, "exif"))
      .success(function(data){
          $scope.imageExifMap[key] = data
      }).error(function(data,status,headers,config){})
  </code></pre>