Twitter Search from Javascript

I was working on building a js twitter search app for jazzfest, which I didn’t finish in time really, but I liked the interface I came up with.

Twitter = {
  _callbacks:[]
};
Twitter.search = function(opts){
//opts.q
//opts.callback
var callback = function(data){
    opts.callback(data); 
    Twitter._callbacks = Twitter._callbacks.without(callback)
  }
var len = Twitter._callbacks.push(callback)
document.body.insert("