This API is available on Firefox OS for privileged or certified applications only.
The reason property indicates what kind of change was made to the contact.
Syntax
var reason = instanceOfMozContactChangeEvent.reason
Value
Return a string. Possible value is one of update, create, or remove.
Specifications
The Contacts Manager API defines the properties added, modified and removed instead of the reason property.
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
| basic support | No support | No support | No support | No support | No support |
| Feature | Android | Chrome for Android | Firefox OS (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| basic support | No support | No support | 1.0.1[1] | No support | No support | No support |
[1] As the specification is unstable, the Gecko implementation is completely non-standard.