JSFiddle - React, Tailwind, and code Playground

HTML

<button type="button" class="btn-add">
  <i class="some-icon"> Click me</i>
</button>
<input type="text" class="input" id="id_country" />

JavaScript

$('.btn-add').click(function(e) {
    alert(e.currentTarget.tagName);
});

$('input.input').on("input", function(e){
	alert(e.currentTarget.id);
});