Check Scroll Lock, Num Lock & Caps Lock in JavaScript on Page Load

Question

Is it possible to check the status of Scroll Lock, Num Lock and Caps Lock on page load of a web page? I\'ve found ways to check after a keypress using JavaScript, but that\

Answer 1

IN 2019, this is now possible:

var x = event.getModifierState("ScrollLock"); 

Source: https://www.w3schools.com/jsref/event_mouse_getmodifierstate.asp