Author @janjongboom

isEven

function isEven(a) {
    a = a.toString().replace(/[^0-9.]/g, "");
    var stack = [];
    var rev = a.split('').reverse();
    for (var ix = 0; ix < rev.length; ix++) {
        if (rev[ix] == ".") stack.push("dot")
        else if (rev[ix] == "1" || rev[ix] == "3" || rev[ix] =="5" || rev[ix] == "7" || rev[ix] == "9")
           stack.push("oneven")
        else
           stack.push('even')
    }
    var wholenumber = stack.splice(stack.indexOf("dot") + 1)
    return wholenumber[0] == "even";
}