function test() {
var a = new Array();
for (var i=0; i<1000; i++) {
a[i] = i*33 + 'a';
}
var loops = 100;
var before = new Date();
for (var i=0; i<loops; i++) {
a.sort();
}
var after = new Date();
var time = (after-before);
result(time);
}

Time:

Resulting String