JSFiddle - React, Tailwind, and code Playground

HTML

<select name="objects" id="objects">
  <option value="foo">Foo</option>
  <option value="bar">Bar</option>
  <option value="baz">Baz</option>
</select>

JavaScript

var foo = {
  color: "red",
  height: 12
};

var bar = {
  color: "blue",
  height: 10
};

var baz = {
  color: "green",
  height: 5
};

$('#objects').on('change', function (e) {
    var foo = $(this).val();
    console.log($(this).val());
    console.log(foo)
});