title: How JavaSCript '+' operator work with string and number?
body: <p>How am I getting 339 as output of the following code ?</p>
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-js lang-js prettyprint-override"><code>console.log(3 + '4' + 5 - 6)</code></pre>
  </div>
  </div>
  </p>
  <p>can anyone please explain me?</p>