My server returns this kind of header: Content-Range:0-10/0
:
I tried to read this header in angular with no luck:
var promise = $http.get(url, {
params: query
}).then(function(response) {
console.log(response.headers());
return response.data;
});
which just prints
Object {content-type: "application/json; charset=utf-8"}
Any ideas how to access the content range header?
This question is related to
javascript
angularjs
angular-http
The response headers in case of cors remain hidden. You need to add in response headers to direct the Angular to expose headers to javascript.
// From server response headers :
header("Access-Control-Allow-Methods: GET, POST, OPTIONS");
header("Access-Control-Allow-Headers: Origin, X-Requested-With,
Content-Type, Accept, Authorization, X-Custom-header");
header("Access-Control-Expose-Headers: X-Custom-header");
header("X-Custom-header: $some data");
var data = res.headers.get('X-Custom-header');
According the MDN custom headers are not exposed by default. The server admin need to expose them using "Access-Control-Expose-Headers" in the same fashion they deal with "access-control-allow-origin"
See this MDN link for confirmation [https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Expose-Headers]
Why not simply try this:
var promise = $http.get(url, {
params: query
}).then(function(response) {
console.log('Content-Range: ' + response.headers('Content-Range'));
return response.data;
});
Especially if you want to return the promise
so it could be a part of a promises chain.
Updated based on Muhammad's answer...
$http.get('/someUrl').
success(function(data, status, headers, config) {
// this callback will be called asynchronously
// when the response is available
console.log(headers()['Content-Range']);
})
.error(function(data, status, headers, config) {
// called asynchronously if an error occurs
// or server returns response with an error status.
});
Additionally to Eugene Retunsky's answer, quoting from $http documentation regarding the response:
The response object has these properties:
data –
{string|Object}
– The response body transformed with the transform functions.status –
{number}
– HTTP status code of the response.headers –
{function([headerName])}
– Header getter function.config –
{Object}
– The configuration object that was used to generate the request.statusText –
{string}
– HTTP status text of the response.
Please note that the argument callback order for $resource (v1.6) is not the same as above:
Success callback is called with
(value (Object|Array), responseHeaders (Function), status (number), statusText (string))
arguments, where the value is the populated resource instance or collection object. The error callback is called with(httpResponse)
argument.
Source: Stackoverflow.com