AlgoDaily - Closures and Dependency Injection

Your Submissions

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var assert = require('assert');
​
/*
 *  Closures
 */
var minus = (function () {
  var counter = 999;
  return function () {
    counter -= 1;
    return counter;
  };
})();
​
minus();
minus();
minus();
​
/*
 *  Dependency Injection With Closures
 */
function createFactories(logger) {
  return {
    emailFactory: function (greeting) {
      return function (greet) {
        logger(greeting + greet);
      };
    },

OUTPUT

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