how to have combination of keypress in jquery

Question

I have to get combination of key press on a page. I wrote a code

$(document).keydown(function (e) {
    if (e.which == 16 && e.which == 48) {
        alert('hi');
    }
}

but is not working. How can I get the combination of two or more keys?

Answer 1

You can use e.shiftKey

$(document).keydown(function (e) {
    if (e.keyCode == 48 && e.shiftKey) {        
        alert('hi');
    }
});

DEMO