NetworkInformation

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The NetworkInformation interface provides information about the connection a device is using to communicate with the network and provides a means for scripts to be notified if the connection type changes. The NetworkInformation interfaces cannot be instantiated. It is instead accessed through the connection property of the Navigator interface.

주의: 이 기능은 Web Worker에서 사용할 수 있습니다

Properties

This interface also inherits properties of its parent, EventTarget.

NetworkInformation.downlink (en-US) Read only

Returns the effective bandwidth estimate in megabits per second, rounded to the nearest multiple of 25 kilobits per seconds.

NetworkInformation.downlinkMax (en-US) Read only

Returns the maximum downlink speed, in megabits per second (Mbps), for the underlying connection technology.

NetworkInformation.effectiveType (en-US) Read only

Returns the effective type of the connection meaning one of 'slow-2g', '2g', '3g', or '4g'. This value is determined using a combination of recently observed round-trip time and downlink values.

NetworkInformation.rtt (en-US) Read only

Returns the estimated effective round-trip time of the current connection, rounded to the nearest multiple of 25 milliseconds.

NetworkInformation.saveData (en-US) Read only

Returns true if the user has set a reduced data usage option on the user agent.

NetworkInformation.type (en-US) Read only

Returns the type of connection a device is using to communicate with the network. It will be one of the following values:

bluetooth
cellular
ethernet
none
wifi
wimax
other
unknown

Event handlers

NetworkInformation.onchange (en-US): The event that's fired when connection information changes and the change (en-US) is fired on this object.

Methods

This interface also inherits methods of its parent, EventTarget.

Specifications

Specification
Network Information API # networkinformation-interface

Browser compatibility

BCD tables only load in the browser