Модальные окна с поддержкой IE

by Denis Tverdokhlebov

HTML

<button data-modal-trigger="trigger-1" class="trigger">
	<i class="fa fa-fire" aria-hidden="true"></i>
	Modal 1
</button>
<button data-modal-trigger="trigger-2" class="trigger">
	<i class="fa fa-fire" aria-hidden="true"></i>
	Modal 2
</button>
<button data-modal-trigger="trigger-3" class="trigger">
	<i class="fa fa-fire" aria-hidden="true"></i>
	Modal 3
</button>

<div data-modal="trigger-1" class="modal">
	<article class="content-wrapper">
		<button class="close"></button>
		<header class="modal-header">
			<h2>This is a modal 1</h2>
		</header>
		<div class="content">
			<p>Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. Vestibulum tortor quam, feugiat vitae, ultricies eget, tempor sit amet, ante. Donec eu libero sit amet quam egestas semper. Aenean ultricies mi vitae est. Mauris placerat eleifend leo. Quisque sit amet est et sapien ullamcorper pharetra. Vestibulum erat wisi, condimentum sed, commodo vitae, ornare sit amet, wisi. Aenean fermentum, elit eget tincidunt condimentum, eros ipsum rutrum orci, sagittis tempus lacus enim ac dui.</p>
		</div>
		<footer class="modal-footer">
			<button class="action">Accept</button>
			<button class="action">Decline</button>
		</footer>
	</article>
</div>

<div data-modal="trigger-2" class="modal">
	<article class="content-wrapper">
		<button class="close"></button>
		<header class="modal-header">
			<h2>This is a modal 2</h2>
		</header>
		<div class="content">
			<p>Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. Vestibulum tortor quam, feugiat vitae, ultricies eget, tempor sit amet, ante. Donec eu libero sit amet quam egestas semper. Aenean ultricies mi vitae est. Mauris placerat eleifend leo. Quisque sit amet est et sapien ullamcorper pharetra. Vestibulum erat wisi, condimentum sed, commodo vitae, ornare sit amet, wisi. Aenean fermentum, elit eget tincidunt condimentum, eros ipsum rutrum orci, sagittis tempus lacus enim ac...

CSS

*, *:before, *:after {
  box-sizing: border-box;
  outline: none;
}

html {
  font-family: 'Source Sans Pro', sans-serif;
  font-size: 16px;
  font-smooth: auto;
  font-weight: 300;
  line-height: 1.5;
  color: #444;
  background-color: slategray;
}

button {
  cursor: pointer;
}

body {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100vh;
}

.trigger {
  margin: 0 0.75rem;
  padding: 0.625rem 1.25rem;
  border: none;
  border-radius: 0.25rem;
  box-shadow: 0 0.0625rem 0.1875rem rgba(0, 0, 0, 0.12), 0 0.0625rem 0.125rem rgba(0, 0, 0, 0.24);
  transition: all 0.25s cubic-bezier(0.25, 0.8, 0.25, 1);
  font-size: 0.875rem;
  font-weight: 300;
}
.trigger i {
  margin-right: 0.3125rem;
}
.trigger:hover {
  box-shadow: 0 0.875rem 1.75rem rgba(0, 0, 0, 0.25), 0 0.625rem 0.625rem rgba(0, 0, 0, 0.22);
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 0vh;
  background-color: transparent;
  overflow: hidden;
  transition: background-color 0.25s ease;
  z-index: 9999;
}
.modal.open {
  position: fixed;
  width: 100%;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  transition: background-color 0.25s;
}
.modal.open > .content-wrapper {
  transform: scale(1);
}
.modal .content-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  width: 50%;
  margin: 0;
  padding: 2.5rem;
  background-color: white;
  border-radius: 0.3125rem;
  box-shadow: 0 0 2.5rem rgba(0, 0, 0, 0.5);
  transform: scale(0);
  transition: transform 0.25s;
  transition-delay: 0.15s;
}
.modal .content-wrapper .close {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: none;
  background-color: transparent;
  font-size: 1.5rem;
  transition: 0.25s linear;
}
.modal...

JavaScript

var buttons = document.querySelectorAll('button[data-modal-trigger]');

for(var i = 0; i<buttons.length; i++) {
	modalEvent(buttons[i]);
}

function modalEvent(button) {
	button.addEventListener('click', function() {
		var trigger = button.getAttribute('data-modal-trigger');
		var modal = document.querySelector('[data-modal=' + trigger + ']');
		var contentWrapper = modal.querySelector('.content-wrapper');
		var close = modal.querySelector('.close');

		close.addEventListener('click', function() {modal.classList.remove('open')});
		modal.addEventListener('click', function() {modal.classList.remove('open')});
		contentWrapper.addEventListener('click', function(e) {e.stopPropagation()});

		modal.classList.toggle('open');
	});
}