title: Why is a string-literal faster than a String-object?
body: <p>My understanding of the engine is that when it comes to literals, it will actually instantiate a new temporary object whenever a method is called on the literal. </p>
  
  <p>So either my understanding is wrong, or the result needs an explanation:
  <a href="http://jsperf.com/literal-vs-object-231" rel="nofollow">http://jsperf.com/literal-vs-object-231</a></p>