$(document).ready(function(){
  $('#show_content_button').click(function(){
    $(this).hide();
    $('#content_hide_on_home').show();
  });
  $('#hide_content_button').click(function(){
    $('#show_content_button').show();
    $('#content_hide_on_home').hide();
  });
});
#content_hide_on_home { display:none; }
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<p>Text on home</p>
<a href="#" id="show_content_button">Show content</a>
<div id="content_hide_on_home">
Your extra content on home
<a href="#" id="hide_content_button">Hide content</a>
</div>