JSFiddle - React, Tailwind, and code Playground
HTML
<a href='Some.php?id="5"' id='5' class="idhover">
hover
</a>
<a href='Some.php?id="5"' id='6' class="idhover">
hover
</a>
<p class="idhover">
ID = (shows id when hovering)
</p>
JavaScript
$(".idhover").hover(
function(){
$(this).append("<span>"+$(this).attr('id')+"</span>")},
function(){
$(this).children().remove()
});