Enumerates in js

gistfile1.js

//http://jsfiddle.net/dotnetCarpenter/47KmD/6/



var dir = {
    up: 1,
    right: 2,
    down: 4,
    left: 8,
    other: 16
};

function transDir(en) {
    switch (en) {
        case dir.up | dir.down:
            return ('up and down');
    //        break;
        case dir.up | dir.right | dir.other:
            return ('up, right and other');
    //        break;
            case dir.left:
                return 'just left';
        default:
            return (en);
    }
}
function output(a, b){
    a.innerHTML += a.innerHTML = b + '\n<br />';
}

var p = document.getElementById('output');
p.innerHTML = '';
output(p, transDir(dir.up | dir.right | dir.other));
output(p, transDir(dir.up | dir.down));

output(p, transDir(dir.left | dir.left)); // it's still just left