'use strict'; let ProgrammingPidCollection = function () { let self = {}, data = [], $container; self.put = function (element) { data.push(element); }; self.get = function () { return data; }; self.flush = function () { data = []; }; self.getCount = function () { return data.length }; self.open = function () { self.render(); $container.show(); }; return self; };