Sequence of code from Laravel

bootstrap.js

/**
 * We'll load jQuery and the Bootstrap jQuery plugin which provides support
 * for JavaScript based Bootstrap features such as modals and tabs. This
 * code may be modified to fit the specific needs of your application.
 */
try {
  window.Popper = require('popper.js').default;
  window.$ = window.jQuery = require('jquery');

  require('bootstrap');
} catch (e) {}