Is it possible, in JavaScript, to detect when the screen is turned off in the Android & iOS browsers

Question

I was tracking down some ridiculously high load times that my app\'s javascript reported, and found that Android (and iOS) pause some JavaScript execution when the window is

Answer 1

what will you do in your script once you now that the screen turns off? Well anyway, you can inject Java objects ( http://developer.android.com/reference/android/webkit/WebView.html#addJavascriptInterface(java.lang.Object,%20java.lang.String) ) to interface with the activity and proxy all information you require in JS world.