title: Double dot syntax in JavaScript - What is this expression doing and how is it valid syntax?
body: <pre><code>    14.toString();
      // Result -&gt; SyntaxError: Unexpected token ILLEGAL
  
      14..toString();
      // Result -&gt; "14"
  </code></pre>
  
  <p>What is placing an extra dot after the number doing, and how is this valid syntax?</p>