ERROR MY CODES

[Yuvithakur23]

<div class="container">
<div class="logo">
<a href="#"><img src="logo.png">
</a>
<span class="fa fa-bars">
</span>
</div>
<div class="links">
<a href="#">Home</a>
<a href="#">Profile</a>
<a href="#">Group</a>
<a href="#">Contact</a>
<a href="#">Forget</a>
<a href="#">about</a>
</div>
</div>



<script> 
      document.getElementsByClassName("fa")[0].addEventListener("click",function(){
      document.getElementsByClassName("links")[0].classlist.toggle("mylinksshow");
      });
      </script>