JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#"  data-page="estoque" data-action="show" data-cod="10"   class="btn">Link</a>

JavaScript

$(document).ready(function(){
	  var btn = $(".btn");
    var pagina = btn.data("page");
    var acao   = btn.data("action");
    var codigo = btn.data("cod");
    
    btn.on('click', function(e){
        e.preventDefault();
        var dados = pagina+ "\n" + acao+ "\n" + codigo;
        alert(dados); 
    });
});