Sample JS template for writing an IIFE

IIFE.js

// Code goes here

(function() {

  var createWorker = function() {

    var workCount = 0;

    var task1 = function() {
      workCount += 1;
      console.log("task1 " + workCount);
    };

    var task2 = function() {
      workCount += 1;
      console.log("task2 " + workCount);
    };

    return {
      job1: task1,
      job2: task2
    };


  };

  var worker = createWorker();

  worker.job1();
  worker.job2();
  worker.job2();
  worker.job1();

}())