Modern Modal Window With Smooth Zoom Animations

In this tutorial, we will create a simple, animated, responsive modal window in plain JavaScript, HTML, and CSS.

The parent of the modal box will be animated smoothly with CSS3 transitions and transforms. It’s a nice effect that can be used for collecting user information, for error messages, for login pages, or just about anything else.

How to use it:

1. Add your content to the modal window.

<div class="modal">
  <div class="modal_wrapper">
    <div class="modal_content">
      <div class="modal_head">
        <h1 class="heading">Modal Title</h1>
      </div>
      <div class="modal_body">
        <p>Modal Content</p>
      </div>
      <div class="modal_foot">
        <button type="button" class="btn close_btn">Close</button>
      </div>
    </div>
  </div>
</div>

2. Create a button to toggle the modal window.

<button type="button" class="toggle_btn">
  Launch
</button>

3. The main JavaScript to activate the modal window.

const modals = document.querySelectorAll('.modal');
const toggleBtns = document.querySelectorAll('.toggle_btn');
const closeBtns = document.querySelectorAll('.close_btn');
const openModal = (index) => {
  modals[index].classList.add('open');
};
const closeModal = (index) => {
  modals[index].classList.remove('open');
};
// open the clicked Modal.
toggleBtns.forEach((currCardBtn, index) => {
  currCardBtn.addEventListener('click', () => {
   openModal(index);
  });
});
// close the current opened Modal.
closeBtns.forEach((currCloseBtn, index) => {
  currCloseBtn.addEventListener('click', () => {
    closeModal(index);
  });
});
// close the current opened Modal on clicking outside.
window.addEventListener('click', (e) => {
  if (e.target.className === 'modal_wrapper') {
    modals.forEach((currModal) => {
      currModal.classList.remove('open');
    });
  }
});