JSFiddle - React, Tailwind, and code Playground

HTML

<a href='Some.php?id="5"' class="idhover">
      hover
</a>
<a href='Some.php?id="6"' class="idhover">
      hover
</a>
<p>
ID = <span id="linkID"></span> (shows id when hovering)
</p>

JavaScript

$(".idhover").hover(
	function(){  
		href=$(this).attr('href').split('?')[1].split('=')[1]
    $("#linkID").append("<span>"+href+"</span>")},
	function(){
   	$("#linkID").children().remove()
  });