title: How to modify value attribute and class of a HTML element with jQuery?
body: <p>I would like to transform this:</p>
  
  <pre><code>&lt;input value="Étape 1/2" name="submitForm" type="submit" class="submit"&gt;
  </code></pre>
  
  <p>to this:</p>
  
  <pre><code>&lt;input value="Étape suivante" name="submitForm" type="submit" class="btn btn-large btn-primary formdevis"&gt;
  </code></pre>