JSFiddle - React, Tailwind, and code Playground

HTML

<div class="menu">
    <a href="javascript:void(0)">12</a>
    <a href="javascript:void(0)">12</a>
    <a href="javascript:void(0)">12</a>
    <a href="javascript:void(0)">12</a>
    
</div>

JavaScript

$('.menu a').click(function() {
  $(this).focus();
});

$('.menu a').on('blur',function(){
    alert('oh');
});