如何在刷新页面时不显示所有框

window.addEventListener('beforeunload', function() {
  document.getElementById('box').style.display = 'none';
});

window.addEventListener('beforeunload', function() {
  localStorage.setItem('boxVisible', 'false');
});

window.addEventListener('load', function() {
  var boxVisible = localStorage.getItem('boxVisible');
  if (boxVisible === 'false') {
    document.getElementById('box').style.display = 'none';
  }
});

window.addEventListener('beforeunload', function() {
  var xhr = new XMLHttpRequest();
  xhr.open('POST', '/save-box-status', true);
  xhr.setRequestHeader('Content-Type', 'application/json');
  xhr.send(JSON.stringify({ boxVisible: false }));
});