Testing jQuery.is on native array

Prompted by http://stackoverflow.com/a/5950685/295686

by mlhDevelopment

HTML

<var id='out'>test</var>

JavaScript

var alpha = { name: "Alpha", id: 1 };
var bravo = { name: "Bravo", id: 2 };
var charlie = { name: "Charlie", id: 3 };
var delta = { name: "Delta", id: 4 };
var echo = { name: "Echo", id: 5 };

var yankee = { name: "Yankee", id: 25 };
var zulu = { name: "Zulu", id: 26 };


var a = [alpha, bravo, charlie, delta, echo];
var out = "True test 1: " + $(a).is(function(ix, el) { return el === charlie; });
out += "<br/>True test 2: " + $(a).is(function(ix, el) { return a[ix] === bravo; });
out += "<br/>False test 1: " + $(a).is(function(ix, el) { return el === yankee; });
out += "<br/>False test 2: " + $(a).is(function(ix, el) { return a[ix] === zulu; });
$("#out").html(out);