text: //<?php
  /** op-unit-webpack:/testcase/testcase.js
   *
   * @creation  2020-05-22
   * @version   1.0
   * @package   op-unit-webpack
   * @author    Tomoaki Nagahara <tomoaki.nagahara@gmail.com>
   * @copyright Tomoaki Nagahara All right reserved.
   */
  //?>
  
  //	...
  var span = document.createElement('span');
  	span.innerText = 'Successful';
  
  //	...
  var div  = document.querySelector('.js');
  	div.appendChild(span);
  