var children_data = [{
    name:"Superman",
    rating:7.8,
    _children:[{
        name:"flying"
    },{
        name:"strength"
    }]
},{
    name:"Spiderman",
    rating:7.9,
    _children:[{
        name:"spinwebs"
    },{
        name:"spidersense"
    }]
}]
 
var superheroes = Container(children_data);
 
var spiderman = superheroes.find('[rating=7.9]');

var superheroes = Container(children_data);
 
// title is default
var byname = superheroes.sort();
 
// sort by fieldname
var byrating = superheroes.sort('rating');

var superheroes = Container(children_data);
 
var some = superheroes.filter(function(hero){
    return hero.hasClass('super');
})
 
var byselector = superheroes.filter('.super');

var superheroes = Container(children_data);
 
var spiderman = superheroes.eq(1);
 
if(spiderman.match('.super')){
    // spiderman is super!
}