loadTemplate.js

$(function(){
  var postData={title: "My New Post", content: "This is my first post!"};
 getTemplate('template-1',postData).done(function(data){
   $('body').append(data)
 })
});

function getTemplate( name,data){
  var d=$.Deferred();

  $.get(name+'.html',function(response){

    var template = Handlebars.compile(response);
    d.resolve(template(data))
  });

  return d.promise();

}