@property
    def is_xhr(self):
        return self.environ.get('HTTP_X_REQUESTED_WITH', '') == 'XMLHttpRequest'
Is X-Requested-With header present and equal to ``XMLHttpRequest``?
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/webob-1.2.3/webob/request.py/BaseRequest.is_xhr