var users = [ { 'user': 'barney', 'age': 36, 'active': true }, { 'user': 'fred', 'age': 40, 'active': false } ];
_.filter(users, function(o) { return !o.active; }); // => objects for ['fred']
// The `_.matches` iteratee shorthand. _.filter(users, { 'age': 36, 'active': true }); // => objects for ['barney']
// The `_.matchesProperty` iteratee shorthand. _.filter(users, ['active', false]); // => objects for ['fred']
// The `_.property` iteratee shorthand. _.filter(users, 'active'); // => objects for ['barney']