JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#" id="test">test</a>
<a href="#" id="add">add</a>
<span id="msg"></span>

JavaScript

var button;

$('#test').click(function(){
    button = $(this);
});

$('#add').click(function(){
    button.text('blabla');
});