NetworkInformation: effectiveType property

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

The effectiveType read-only property of the NetworkInformation interface 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.

Value

A string that is either slow-2g, 2g, 3g, or 4g.

Specifications

Specification
Network Information API
# dom-networkinformation-effectivetype

Browser compatibility

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See also