test whether running in a device or browser
if (window.cordova) {
// running on device/emulator
} else {
// running in dev mode
}
or
ionic.Platform.platforms
["browser", "linux"]
or
ionic.Platform.isIOS()
ionic.Platform.isAndroid()
ionic.Platform.isEdge()
ionic.Platform.isCrosswalk()
ionic.Platform.isIPad()
ionic.Platform.isWebView()
ionic.Platform.isWindowsPhone()