This API is available on Firefox OS for internal applications only.
The emergency read-only property of the TelephonyCall interface indicates whether the current telephone number is an emergency number.
Syntax
var emergencyNumber = myCall.emergency;
Value
A Boolean
Examples
// Telephony object
var tel = navigator.mozTelephony;
// Place a call
tel.dial("123456789").then(function(call) {
call.id;
call.emergency; // can only return true for outgoing calls;
});
Specifications
| Specification | Status | Comment |
|---|---|---|
| Web Telephony | Draft | Draft. |
Browser compatibility
For obvious reasons, support is primarily expected on mobile browsers.
Supported in Firefox OS 1.0.1.