kotaroito · August 1, 2014 00:20
diff --git a/jsbin.fiyer.html b/jsbin.fiyer.html
 <!DOCTYPE html>
 <html>
 <head>
  <meta charset="utf-8">
  <title>JS Bin</title>
 </head>
 <body>

 </body>
 </html>
diff --git a/jsbin.fiyer.js b/jsbin.fiyer.js
 var Counter = (function() {
  var instance;
  
  function init() {
    var count = 0;
    return {
      incr: function() { count++; },
      decr: function() { count--; },
      log: function()  { console.log(count); },
    };
  }
  
  return {
    getInstance: function() {
      if (!instance)
        instance = init();
      
      return instance;
    }
  };
  
 })();

 var counter = Counter.getInstance();
 counter.incr();
 counter.incr();
 counter.log();
	var Counter = (function() {
	var instance;

	function init() {
	var count = 0;
	return {
	incr: function() { count++; },
	decr: function() { count--; },
	log: function() { console.log(count); },
	};
	}

	return {
	getInstance: function() {
	if (!instance)
	instance = init();

	return instance;
	}
	};

	})();

	var counter = Counter.getInstance();
	counter.incr();
	counter.incr();
	counter.log();