disable inspect for all keys

-- DONT CREDIT ME FOR THIS I JUST FOUND IT IN A FORUM --

<script>
// disable right click
document.addEventListener('contextmenu', event => event.preventDefault());

document.onkeydown = function (e) {

// disable F12 key
if(e.keyCode == 123) {
return false;
}

// disable I key
if(e.ctrlKey && e.shiftKey && e.keyCode == 73){
return false;
}

// disable J key
if(e.ctrlKey && e.shiftKey && e.keyCode == 74) {
return false;
}

// disable U key
if(e.ctrlKey && e.keyCode == 85) {
return false;
}
}

</script>