Demo modal styles for micromodal.js and corresponding expected html. If using this, set the `awaitCloseAnimation` in config to true

micromodal.css

/**************************\
  Basic Modal Styles
\**************************/

.modal {
  font-family: -apple-system,BlinkMacSystemFont,avenir next,avenir,helvetica neue,helvetica,ubuntu,roboto,noto,segoe ui,arial,sans-serif;
}

.modal__overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  justify-content: center;
  align-items: center;
}

.modal__container {
  background-color: #fff;
  padding: 30px;
  max-width: 500px;
  max-height: 100vh;
  border-radius: 4px;
  overflow-y: auto;
  box-sizing: border-box;
}

.modal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal__title {
  margin-top: 0;
  margin-bottom: 0;
  font-weight: 600;
  font-size: 1.25rem;
  line-height: 1.25;
  color: #00449e;
  box-sizing: border-box;
}

.modal__close {
  background: transparent;
  border: 0;
}

.modal__header .modal__close:before { content: "\2715"; }

.modal__content {
  margin-top: 2rem;
  margin-bottom: 2rem;
  line-height: 1.5;
  color: rgba(0,0,0,.8);
}

.modal__btn {
  font-size: .875rem;
  padding-left: 1rem;
  padding-right: 1rem;
  padding-top: .5rem;
  padding-bottom: .5rem;
  background-color: #e6e6e6;
  color: rgba(0,0,0,.8);
  border-radius: .25rem;
  border-style: none;
  border-width: 0;
  cursor: pointer;
  -webkit-appearance: button;
  text-transform: none;
  overflow: visible;
  line-height: 1.15;
  margin: 0;
  will-change: transform;
  -moz-osx-font-smoothing: grayscale;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  transition: -webkit-transform .25s ease-out;
  transition: transform .25s ease-out;
  transition: transform .25s ease-out,-webkit-transform .25s ease-out;
}

.modal__btn:focus, .modal__btn:hover {
  -webkit-transform: scale(1.05);
  transform: scale(1.05);
}

.modal__btn-primary {
  background-color: #00449e;
  color: #fff;
}



/**************************\
  Demo Animation Style
\**************************/
@keyframes mmfadeIn {
    from { opacity: 0; }
      to { opacity: 1; }
}

@keyframes mmfadeOut {
    from { opacity: 1; }
      to { opacity: 0; }
}

@keyframes mmslideIn {
  from { transform: translateY(15%); }
    to { transform: translateY(0); }
}

@keyframes mmslideOut {
    from { transform: translateY(0); }
    to { transform: translateY(-10%); }
}

.micromodal-slide {
  display: none;
}

.micromodal-slide.is-open {
  display: block;
}

.micromodal-slide[aria-hidden="false"] .modal__overlay {
  animation: mmfadeIn .3s cubic-bezier(0.0, 0.0, 0.2, 1);
}

.micromodal-slide[aria-hidden="false"] .modal__container {
  animation: mmslideIn .3s cubic-bezier(0, 0, .2, 1);
}

.micromodal-slide[aria-hidden="true"] .modal__overlay {
  animation: mmfadeOut .3s cubic-bezier(0.0, 0.0, 0.2, 1);
}

.micromodal-slide[aria-hidden="true"] .modal__container {
  animation: mmslideOut .3s cubic-bezier(0, 0, .2, 1);
}

.micromodal-slide .modal__container,
.micromodal-slide .modal__overlay {
  will-change: transform;
}

micromodal.html

  <div class="modal micromodal-slide" id="modal-1" aria-hidden="true">
    <div class="modal__overlay" tabindex="-1" data-micromodal-close>
      <div class="modal__container" role="dialog" aria-modal="true" aria-labelledby="modal-1-title">
        <header class="modal__header">
          <h2 class="modal__title" id="modal-1-title">
            Micromodal
          </h2>
          <button class="modal__close" aria-label="Close modal" data-micromodal-close></button>
        </header>
        <main class="modal__content" id="modal-1-content">
          <p>
            Try hitting the <code>tab</code> key and notice how the focus stays within the modal itself. Also, <code>esc</code> to close modal.
          </p>
        </main>
        <footer class="modal__footer">
          <button class="modal__btn modal__btn-primary">Continue</button>
          <button class="modal__btn" data-micromodal-close aria-label="Close this dialog window">Close</button>
        </footer>
      </div>
    </div>
  </div>

I find this library is sample is so useful, You can easily use this library to change model to slide menu, I shared my example here if anyone interested 😁

https://codepen.io/Elkazi/pen/bGaEmKz

Very cool! 🙏

For anyone who comes back to this in the future, here's a minimal working example that you can just copy & paste:

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>micromodal demo</title>
  <style>
    .micromodal {
      display: none;
    }

    .micromodal.is-open {
      display: block;
    }

    .micromodal__overlay {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      display: flex;
      justify-content: center;
      align-items: center;
      background: rgba(0,0,0,0.65);
    }

    .micromodal__container {
      box-sizing: border-box;
      overflow-y: auto;
      max-width: 500px;
      max-height: 100vh;
      padding: 30px;
      background-color: #fff;
      border-radius: 4px;
    }

    .micromodal[aria-hidden="false"] .micromodal__overlay {
      animation: microModalFadeIn .2s cubic-bezier(0.0, 0.0, 0.2, 1);
    }

    .micromodal[aria-hidden="false"] .micromodal__container {
      animation: microModalSlideIn .2s cubic-bezier(0, 0, .2, 1);
    }

    .micromodal .micromodal__container,
    .micromodal .micromodal__overlay {
      will-change: transform;
    }

    @keyframes microModalFadeIn {
        from { opacity: 0; }
          to { opacity: 1; }
    }

    @keyframes microModalSlideIn {
      from { transform: translateY(15%); }
        to { transform: translateY(0); }
    }
  </style>
</head>
<body>
  <a data-micromodal-trigger="modal-1" href='javascript:;'>Open Modal Dialog</a>

  <div class="micromodal" id="modal-1" aria-hidden="true">
    <div class="micromodal__overlay" tabindex="-1" data-micromodal-close>
      <div class="micromodal__container" role="dialog" aria-modal="true" aria-labelledby="modal-1-title">
        <button aria-label="Close modal" data-micromodal-close>X</button>
        <p>hi there, I'm some modal content!</p>
      </div>
    </div>
  </div>
  <script src="https://unpkg.com/micromodal/dist/micromodal.min.js"></script>
  <script>
    MicroModal.init();
  </script> 
</body>
</html>

And here's a working codepen of the same code: https://codepen.io/panphora/pen/yLpwOOo

I made a few stylistic choices:

• I removed the exit animation. If people are exiting a modal, they probably just want it gone instantly.
• I cut down on the header content & aria labels there. Useful for some modals, but not every modal has a header.
• I cut down on the number of classes & grouped all the CSS under a .micromodal class. Much easier to read this way.

I've found that if you add an SVG icon (or presumably any other element) inside the Close button, clicking on that icon doesn't appear to bubble up to the close button, and won't close the modal. The simple solution is to add this CSS (adapt the selector to your needs, but take care because the overlay element containing the modal has [data-micromodal-close], too):

button[data-micromodal-close] > .icon {
    pointer-events: none;
}

Anyone managed to pass custom attribute with button to fill some field on form?
One form used for several buttons, so custom attribute allows to handle it differently in controller.

Debugger shows that it is not passed with button, button code:
div data-micromodal-trigger='modal-name' data-bundle='1' = t(:button_name)

Tried to achieve something like done here.

document.addEventListener('DOMContentLoaded', () => {
  MicroModal.init({
    onShow: (modal) => {
      debugger;
    },
  });
});

event.currentTarget returns null

@Faq

You need to initialise the modal like:

MicroModal.init({
  onShow: modal => console.info(`${modal.id} is shown`), // [1]
  onClose: modal => console.info(`${modal.id} is hidden`), // [2]
  openTrigger: 'data-custom-open', // [3]
  closeTrigger: 'data-custom-close', // [4]
  openClass: 'is-open', // [5]
  disableScroll: true, // [6]
  disableFocus: false, // [7]
  awaitOpenAnimation: false, // [8]
  awaitCloseAnimation: false, // [9]
  debugMode: true // [10]
});

So you use the onShow event listener to add your logic into or add a function reference.

https://micromodal.vercel.app/

I always set:

awaitCloseAnimation: true

So for example:

MicroModal.init({
  onShow: function(modal, activeElement, event){
     microModalShow(modal, activeElement, event);
   }
 …
});

function microModalShow(modal, activeElement, event) {
   if(modal.id === ‘someModalId’){
     console.log('event target data bundle id: ', event.target.getAttribute("data-bundle-id")); 
     // 1
   }
}

https://codepen.io/charles1971/pen/qBELEVN

thank you @charlesr1971 , but still getting:
Uncaught TypeError: Cannot read properties of undefined (reading 'target')
It might be because of using different jquery version?

jQuery.fn.jquery
'3.4.1'

Your example using:
'3.6.3'

@Faq Hmmm. That’s a bit strange. Not sure that JQuery is being used, when I reference:

event.target

Although, maybe your version of JQuery is clashing with something in the micromodal library. I reckon this is highly unlikely?

All I can say, is that my codePen works, so maybe you have an old version of micromodal?

Try copying my code and then adapting it, for your own purposes. Once you have done this, if it still throws an error, post your code and I will try and debug it.

This kind of code, just won’t work:

$('#edit_data_modal').on('show.bs.modal', function (event) {
    var button = $(event.relatedTarget); // Button that triggered the modal
    var bundle_id = button.data('bundle_id'); // Extract info from data-* attributes
    var modal = $(this);
    modal.find('#bundle_id').val(bundle_id);
});

Yeah that was the case, had 0.4.2, solved with yarn upgrade micromodal@^0.4.10, again thank you :)

@Faq Awesome 👏🏻