User activationThe navigator.userActivation API reveals whether the user has interacted with the page through an "activation" gesture such as a click, tap, or key press. User activation gated APIs (such as the fullscreen API) fail without user interaction, and this API allows you to predict such a failure.securitySecuritywidely2023-11-212026-05-21https://html.spec.whatwg.org/multipage/interaction.html#the-useractivation-interfacehttps://developer.mozilla.org/docs/Web/API/UserActivationapi.Navigator.userActivationapi.UserActivationapi.UserActivation.hasBeenActiveapi.UserActivation.isActivehttps://nowyoucanuse.com/features--user-activation.html