JSFiddle - React, Tailwind, and code Playground

HTML

<div id="michal" class="element" data-index="1">
    Pierwszy [1]
</div>
<div id="jacek" class="element" data-index="2">
    Drugi [2]
</div>
<div id="zbigniew" class="element" data-index="3">
    Trzeci [3]
</div>
<div id="roman" class="element" data-index="4">
    Czwarty [4]
</div>
<div id="stefan" class="element" data-index="5">
    Piaty [5]
</div>

JavaScript

$('.element').each(function(index){
    if(parseInt($(this).data('index')) > 2){
      var ajdi = $(this).attr('id');
      $(this).html('Element \['+(index+1)+ '\] \(' + ajdi+ '\) w petli');
    }
     
});