Handlebars Defered Template w/ Backbone example use case

deferedTemplate.js

//Assumes jQuery, produces a lazy load template function.
var Template = function(el){
    var $el = $(el),
        template = undefined;
    
    //Compile template and store once.
    return function(args){
        if(!template){
            template = Handlebars.compile($el.html());
        }
        return template(args);
    }
}

deferedView.js

//Defered Backbone View

var DeferedModelView = Backbone.View.extend({
  model: Backbone.Model,
  template: function(){
    return '<div></div>'
  },
  render: function(){
    var html = this.template(this.model.toJSON());
    this.$el.html(html);
    
    return this;
  }
});