bitly_jsonp.js

document.body.appendChild(function(){
  sc = document.createElement("script");
  var code = function(){
    window.bitly_load=function(res){prompt("",res.data.url);}
  }
  src = "("+code.toString()+")();"
  sc.type="text/javascript";
  sc.text=src
  return sc;
}()
);
bi = new URL("https://api-ssl.bitly.com/v3/shorten?");
var params = ["login=USERNAME", "domain=j.mp", "apiKey=API_KEY","callback=bitly_load", "longUrl=" + encodeURIComponent(location.href)];
bi.search = "?" + params.join("&");
document.body.appendChild(function(){
  sc = document.createElement("script");
  sc.type="text/javascript";
  sc.src = bi.toString()
  return sc;
}()
);