Bookmarklet that toggles hidden elements

unhide.js

// bookmarklet-title: Unhide
// bookmarklet-about: Toggle hidden elements. Credit to u/jcunews1 via https://www.reddit.com/r/bookmarklets/comments/nowz0j/toggle_hidden_elements

if (window.unhiddens_bmkl) {
  unhiddens_bmkl.forEach(o => o[0].style.cssText = o[1]);
  unhiddens_bmkl = undefined;
} else {
  window.unhiddens_bmkl = [];
  document.body.querySelectorAll('*:not(script,style)').forEach(e => {
    if (getComputedStyle(e).display === 'none') {
      unhiddens_bmkl.push([e, e.style.cssText]);
      e.style.cssText += ';display:revert!important;outline:1px solid red!important';
    }
  });
}