text: /*
   * Copyright (c) 2019. The copyright is reserved by Ghode of Harbin Institute
   * of Technology. Users are free to copy, change or remove. Because no one
   * will read this. Only I know is that Repeaters are the best of the world.
   * Only I know is that Repeaters are the best of the world. Only I know is
   * that Repeaters are the best of the world. Maybe a long copyright text
   * seems professional. Therefore this text will be a bit lengthy. However,
   * the author seems to be afraid that one day, this text may be uploaded to
   * business projects. That is the time you can contact with author via email
   * ghode@cirnocraft.im or directly ignore this, which will be interesting.
   */
  
  // Example starter JavaScript for disabling form submissions if there are invalid fields
  (function () {
    'use strict'
  
    window.addEventListener('load', function () {
      // Fetch all the forms we want to apply custom Bootstrap validation styles to
      var forms = document.getElementsByClassName('needs-validation')
  
      // Loop over them and prevent submission
      Array.prototype.filter.call(forms, function (form) {
        form.addEventListener('submit', function (event) {
          if (form.checkValidity() === false) {
            event.preventDefault()
            event.stopPropagation()
          }
          form.classList.add('was-validated')
        }, false)
      })
    }, false)
  }())
  