JSFiddle - React, Tailwind, and code Playground

HTML

<a id="first" class="myLink" data-something="0">First</a>
<a id="second" class="myLink" data-something="0">Second</a>
<a id="third" class="myLink" data-something="0">Third</a>

JavaScript

$('#first').on('click', function(){
    var element = $(this);
    $('.myLink').each(function(i, el){
        if (element.is(this)) {
            alert(i + ' equals');
        }
    });
});