Block inspect shortcuts and right click

block_inspect.js

document.addEventListener('contextmenu', function(e) {
    e.preventDefault();
});
document.onkeydown = function(e) {
    if(event.keyCode == 123) {
        alert(":^)")
        return false;
    }
    if(e.ctrlKey && e.shiftKey && e.keyCode == 'I'.charCodeAt(0)) {
        alert(":^)")
        return false;
    }
    if(e.ctrlKey && e.shiftKey && e.keyCode == 'C'.charCodeAt(0)) {
        alert(":^)")
        return false;
    }
    if(e.ctrlKey && e.shiftKey && e.keyCode == 'J'.charCodeAt(0)) {
        alert(":^)")
        return false;
    }
    if(e.ctrlKey && e.keyCode == 'U'.charCodeAt(0)) {
        alert(":^)")
        return false;
    }
}