Load Javascript after the preloadedJs

Hello,

Iḿ trying to develope a h5p content, but I need to add javascript after the dom has loaded because the js is a complete react app and needs the div container created from the "preloadedJs".

I tried to load the js with jquery getscript in the "C.prototype.attach" method with a relativ path. A "test.js" file in the same folder that contains the file with the "C.prototype.attach" function is cannot be found.

Does anybody know here, how I can load custom javascript after the dom load has finished?

This is my questionnaire.js file:

var H5P = H5P || {};

H5P.Questionnaire = (function ($) {
  /**
   * Constructor function.
   */
  function C(options, id) {
    // Extend defaults with provided options
    this.options = $.extend(true, {}, {
      language: 'en'
    }, options);
    // Keep provided id.
    this.id = id;
  };

  /**
   * Attach function called by H5P framework to insert H5P content into
   * page
   *
   * @param {jQuery} $container
   */
  C.prototype.attach = function ($container) {

    // Set class on container to identify it as a greeting card
    // container.  Allows for styling later.
    $container.addClass("h5p-questionnaire");
    // Add image if provided.
    // if (this.options.image && this.options.image.path) {
    //   $container.append('<img class="greeting-image" src="' + H5P.getPath(this.options.image.path, this.id) + '">');
    // }
    // Add greeting text.
    $container.append('<div class="questionnaire" id="learningstyle"></div>');
    $(document).ready(function () {
      $.getScript("test.js")
        .done(function (script, textStatus) {
          console.log(textStatus);
        })
        .fail(function (jqxhr, settings, exception) {
          console.log('getscript failed');
          console.log('jqxhr');
          console.log(jqxhr);
          console.log('settings');
          console.log(settings);
          console.log('exception');
          console.log(exception);
        });
    });
  };

  return C;
})(H5P.jQuery);

Thanx very much.

frischi