nerkat

 let observer = new IntersectionObserver((entries, observer) => {
    entries.forEach(entry => {
      if (entry.isIntersecting) {
        entry.target.animate([
          {
             transform: 'translateY(30px)',
             opacity: 0,
             filter: 'blur(10px)'
             },
          { transform: 'translateY(0px)',

nerkat

var isLogin;
  var submitButton;

  document.forms['customer_login'].addEventListener('submit', (event) => {
 
    // show loading gif on submit button
    submitButton = event.target.querySelector('button');
    submitButton.classList.add('spin');
    submitButton.disabled = true;