This article is in need of a technical review.
This feature is not on a current W3C standards track, but it is supported on the Firefox OS platform. Although implementations may change in the future and it is not supported widely across browsers, it is suitable for use in code dedicated to Firefox OS apps.
rxBytes property is a number representing the amount of bytes received for a given connection. The amount is the total number of bytes received for
MozNetworkStatsManager.sampleRate seconds at
If no network stats are available for the given
date, this property is undefined (which is different than
var bytes = instanceOfMozNetworkData.rxBytes;
A number or
Not part of any specification.