JSFiddle - React, Tailwind, and code Playground

HTML

<script>
    $(document).on("ready", function() {
        $(".one, .two").plug();
    });
</script>
<input class="one" />
<input class="two" />
<div class="suc"></div>

JavaScript

;
(function ($) {
    var $this;
    $.fn.plug = function () {
        this.each(function (e) {
            $this = $(this);
            $this.on("keyup", function (e) {
                $(".suc").append("Se ha escrito en: " + $this.attr("class") + "<br />")
            });
        })

    };
})(jQuery);