Is it possible, in JavaScript, to detect when the screen is turned off in the Android & iOS browsers
There is few options to check it: Using Visibility API Using focus and blur events to detect browser tab visibility: window.addEventListener(“focus”, handleBrowserState.bind(context, true)); window.addEventListener(“blur”, handleBrowserState.bind(context, false)); function handleBrowserState(isActive){ // do something } Using timers, as mentioned above