determine which key is pressed

Question

How to determine which key is pressed in javascript?

Answer 1

In JavaScript:

function myKeyPress(e){
    var keynum;
    if(window.event){ // IE
        keynum = e.keyCode;
    }else
    if(e.which){ // Netscape/Firefox/Opera
        keynum = e.which;
    }
    alert(String.fromCharCode(keynum));
    alert(keynum);
    if (keynum == 13) {
        alert("You Pressed Enter Key");
    }
}

In HTML: