JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
<button id="cats">Cats</button>
<button id="dogs">Dogs</button>
<button id="rabbits">Rabbits</button><br />

<button id="result">Result</button>

JavaScript

var selected = []

$("#cats").click(function(e) {
  console.log("Cats");
  var value = 'cats';
  selected.push(value);
})

$("#dogs").click(function(e) {
  console.log("Dogs");
  var value = 'Dogs';
  selected.push(value);
})

$("#rabbits").click(function(e) {
  console.log("Rabbits");
  var value = 'Rabbits';
  selected.push(value);
})

$("#result").click(function(e) {
  console.log("results: ", selected);
})