jQuery addClass example
Change class name on click in jQuery
HTML
<div class="pd__tt">Какой-то текст</div>
<style>.pd__tt-hide{display:none;}</style>
<script type="text/javascript">
$(document).ready(function(){
if (document.location.pathname == '/adres/') {
$('.pd__tt').addClass("pd__tt-hide");
}
});
</script>