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

The isSecureContext read-only property of the WindowOrWorkerGlobalScope interface returns a boolean indicating whether the current context is secure (true) or not (false).


var isItSecure = self.isSecureContext; // or just isSecureContext


A Boolean.


Specification Status Comment
Secure Contexts
The definition of 'WindowOrWorkerGlobalScope.isSecureContext' in that specification.
Candidate Recommendation Initial definition.

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support55 ?52 ? ? ?
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support5555 ?52 ? ? ?

See also

Document Tags and Contributors

Contributors to this page: fscholz, kenrick95, chrisdavidmills, jpmedley
Last updated by: fscholz,