some dummy js

application.js

$(document).ready(function() {
  // This is called after the document has loaded in its entirety
  // This guarantees that any elements we bind to will exist on the page
  // when we try to bind to them

  // See: http://docs.jquery.com/Tutorials:Introducing_$(document).ready()

  Person = function(attribute){
    this.attributes = attributes
  }

  Person.prototype.save = function(){
    var person = this;
    $.post('/people', this.attributes, function(){
      person.whatever();
    })
  }
});