groksrc · August 29, 2015 14:23
diff --git a/js_alert_foobar b/js_alert_foobar
 <html>
  <body>
  <script>
    (function() {
      var foo = new Object();
      var bar = new Object();
      var map = new Object();

      map[foo] = 'foo';
      map[bar] = 'bar';

      alert( map[foo] ); // alerts 'bar' not 'foo' !! 
    })();
  </script>
  </body>
 </html>
	<html>
	<body>
	<script>
	(function() {
	var foo = new Object();
	var bar = new Object();
	var map = new Object();

	map[foo] = 'foo';
	map[bar] = 'bar';

	alert( map[foo] ); // alerts 'bar' not 'foo' !!
	})();
	</script>
	</body>
	</html>