title: Does a real ECMAScript implementation exist, or is it just a spec?
body: <p>I read both of the links below</p>
  
  <p><a href="http://en.wikipedia.org/wiki/ECMAScript" rel="nofollow noreferrer">http://en.wikipedia.org/wiki/ECMAScript</a></p>
  
  <p><a href="https://stackoverflow.com/questions/912479/what-is-the-difference-between-javascript-and-ecmascript">What is the difference between JavaScript and ECMAScript?</a></p>
  
  <p>My question is, does ECMAScript exist as something I can download and use instead of JavaScript?</p>