Demo of disable enable active of link of Pagination with boostrap 4 classes
class='pagination'
Clik these buttons to change the enable / disable /active status of Link for page 2
<nav aria-label='Demo of disable enable of paging links'>
lt;ul class='pagination pagination-lg'>
<li class='page-item'>
<a class='page-link' href='#' aria-label='Previous'>
<span aria-hidden='true'>«</span>
<span class='sr-only'>Previous</span>
</a>
</li>
<li class='page-item'><a class='page-link' href='#'>1</a></li>
<li class='page-item' id=p1><a class='page-link' href='#'>2</a></li>
<li class='page-item'><a class='page-link' href='#'>3</a></li>
<li class='page-item'>
<a class='page-link' href='#' aria-label='Next'>
<span aria-hidden='true'>»</span>
<span class='sr-only'>Next</span>
</a>
</li>
</ul>
</nav>