javascript - Determine if geolocation is supported by browser and if WiFi is on -

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how can check in javascript if client using browser capable of geolocation , has wifi turned on (otherwise geolocation doesn't work).

how can done?

you can check if geolocation available navigator.geolocation. cannot detect wifi connection:
how check connection type (wifi/lan/wwan) using html5/javascript?
how detect 3g vs. wifi connection on mobile safari?


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