FMRadio.frequency
This API is available on Firefox or Firefox OS for installed or higher privileged applications.
Summary
The frequency property value returns the current radio frequency.
Syntax
JavaScript
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var frequency = instanceOfFMRadio.frequency
Value
Return a number representing the radio frenquence express in MHz (MegaHertz).
Example
JavaScript
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window.addEventListener('frequencychange', function () { console.log("The frequency has changed to: " + navigator.mozFMRadio.frequency + "MHz"); });
Specification
Not part of any specification.
See also
FMRadioFMRadio.onfrequencychange- The
frequencychangeevent.
License
© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/fmradio/frequency