title: Choosing a random letter from a-z
body: <blockquote>
    <p>How do I choose a random letter from a-z and put it into a heading in
    my html by itself and make it replace any other letter that was there
    before? I don't know if what I've done works.</p>
  </blockquote>
  
  <pre><code>function randLetter( ) {
  
  var letters =
      ("a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q"
      ,"r","s","t","u","v","w","x","y","z");
  
  var letter = letters[Math.floor(Math.random()*letters.length)];
  
  return letter
  
  }
  
  $('#letter').html('letter')
  </code></pre>