title: Compute sum of numerical values of an array in JavaScript
body: <p>I have the following array:</p>
  
  <pre><code>myArray = [32.4, "bla", 1.44, 0.5, 65.8, "abc"];
  </code></pre>
  
  <p>To compute the <code>sum</code> of an array containing only digits is pretty straight-forward, but how can it be done if there are also non-numerical values which must be ignored?</p>