delivery property represents a possible value to match the messages'
delivery property to filter them out.
var delivery = instanceOfMozSmsFilter.delivery = stringValue;
A string or
If the value is set as a string, the possible values must be one of
This is a non-standard implementation, but it is discussed at W3C as part of the System Application Working Group.
|Messaging API||Editor's Draft||Editor Draft (WIP).|
For obvious reasons, support is primarily expected on mobile browsers.
Supported in Firefox OS 1.0.1.