Testing anonymous gist

gistfile1.js

var a = 31337;
var b = 1073741824;

function digital_root(num) {
    var strnum = num.toString();

    while (strnum.length() > 1) {
        var runnum = 0;
        for (int i = 0; i < strnum.length(); i++) {
            runnum += parseInt(s.charAt(i));
        }
        strnum = runnum.toString();
    }
    alert(strnum);
}

digital_root(a);
digital_root(b);