Prototype: Enumerable
<script>
document.observe('dom:loaded', function() {
var People = $H();
People.set(1, {name: "Jesse", age: 26});
People.set(2, {name: "Joe", age: 60});
People.set(3, {name: "Jenny", age: 20});
People.set(4, {name: "Justine", age: 15});
People.set(5, {name: "Bob", age: 44});
var check = People.any(function(u){
return (u[1].age > 10);
});
$('output').insert(check + '<br />');
var check2 = People.select(function(u) {
return (u[1].age >= 26);
});
$('output').insert(check2 + '<br />');
});
</script>
<div id="output"></div>