javascript - to distinguish between device and server internet connectivity -


i trying hit sharepoint server phone(ios) having wifi feature. basically, making ajax call sharepoint server , using response further tasks. when device has wifi off, http response status '0' , when device has wifi 'on', sharepoint server not connectible, status comes '0'. how can differentiate between 2 scenarios , handle both scenarios differently. appreciated.

use reachability

arc version: https://github.com/tonymillion/reachability


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