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An estimation of the current bandwidth in MB/s (Megabytes per seconds) available.

Property of apis/network_information/Connectionapis/network_information/Connection


Note: This property is read-only.

var result = connection.bandwidth;

Return Value

Returns an object of type doubledouble

Returns 0 if the user is currently offline, infinity if the bandwidth is unknown.


As of 25 June 2014:

  • Formal work on the Network Information spec has been stopped. The specification is now a W3C Note.
  • Both Chrome and Firefox have shipped Network Information under an experimental feedback channel.

Related specifications

The Network Information API
W3C Note