NetworkInformation.effectiveType
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.
Syntax
var effectiveType = NetworkInformation.effectiveType
Value
A String containing one of 'slow-2g', '2g', '3g', or '4g'.
Specifications
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
effectiveType |
61 |
79 |
No |
No |
48 |
No |
50 |
38 |
Yes |
45 |
No |
3.0 |
See also
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https://developer.mozilla.org/en-US/docs/Web/API/NetworkInformation/effectiveType