JSFiddle - React, Tailwind, and code Playground

by Santosh Thakur

HTML

<select name="selectBox" id="selectBox">
  <option value="">Boolean</option>
  <option value="true">True</option>
  <option value="false">False</option>
</select>

JavaScript

(function() {
  $('#selectBox').change(function() {
    console.log(1);
    if (this.value == 'true') {
      $('body').css('background-color', 'red');
    } else if (this.value == 'false') {
      $('body').css('background-color', 'yellow');
    } else {
      $('body').css('background-color', '');
    }
  });
})();