Can someone point out my mistake?

Tell us what’s happening:

Your code so far


<script>
$(document).ready(function() {
  $(".well").addClass("animated bounce");
  (".well").addClass("shake");
});
</script>

<!-- Only change code above this line. -->

<div class="container-fluid">
<h3 class="text-primary text-center">jQuery Playground</h3>
<div class="row">
  <div class="col-xs-6">
    <h4>#left-well</h4>
    <div class="well" id="left-well">
      <button class="btn btn-default target" id="target1">#target1</button>
      <button class="btn btn-default target" id="target2">#target2</button>
      <button class="btn btn-default target" id="target3">#target3</button>
    </div>
  </div>
  <div class="col-xs-6">
    <h4>#right-well</h4>
    <div class="well" id="right-well">
      <button class="btn btn-default target" id="target4">#target4</button>
      <button class="btn btn-default target" id="target5">#target5</button>
      <button class="btn btn-default target" id="target6">#target6</button>
    </div>
  </div>
</div>
</div>

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.102 Safari/537.36.

Challenge: Target Elements by Class Using jQuery

Link to the challenge:

You are missing an important character at the beginning of this line.