build_portfolio.js

var PortfolioBuilder = function() {
        var $context = "";
        var symbols = [];
        var that = this;

        return{
            init: function(context) {
                $context = $(context);
                this.initSymbols();
                this.updateButtons();
            },
            addCompany: foo(),
            removeCompany: foo(),
            update: foo(),
            show: foo(),
            hide:foo(),
            hasCompany: foo(),
            // build portfolio and send the results to Portfolio Object
            evaluate: function() {
                $.ajax({
                    type: "POST",
                    url:base + "build_portfolio",
                    beforeSend:function() {
                        // show loader
                        $context.find('.loader').show();
                    },
                    success: function(JSONdata) {
                        $context.find('.loader').hide();
                        Portfolio.build2(JSONdata);
                    }
                });
            }
        }
    }();