JSFiddle - React, Tailwind, and code Playground

HTML

<a id="a_is_valid">On Off</a>
<a id="a_is_valid2">One</a>

CSS

a
{
    cursor:pointer;
    text-decoration:underline;
}

JavaScript

$('#a_is_valid').on('click', handleClick)
function handleClick()
{
    $(this).off('click');
    alert('click');
}
$('#a_is_valid2').one('click', function(){alert('just once')});