Very simple vanilla javascript library for creating a custom scrollbar cross-browser and cross-devices.

http://buzinas.github.io/simple-scrollbar

• Extremely lightweight (less than 1KB after gzip and minify)
• It uses the native scroll events, so:
  • All the events work and are smooth (mouse wheel, space, page down, page up, arrows etc).
  • The performance is awesome!
• No dependencies, completely vanilla Javascript!
• RTL support (thanks to @BabkinAleksandr)

It was developed for evergreen browsers, but it works both on IE10 and IE11 either.

If you want to make it works down to IE9, the only thing you need to do is to add the classList polyfill.

<!--[if IE 9]><script src="classList.min.js"></script><![endif]-->

Add direction: rtl; to your <div>'s CSS, and SimpleScrollbar will detect the direction automatically.

Include the attribute ss-container in any <div> that you want to make scrollable, and the library will turn it for you

<div ss-container>One</div>
<div ss-container>
  <span>Two</span>
</div>

If you want to manually turn your div in a SimpleScrollbar, you can use the SimpleScrollbar.initEl method.

<div class="myClass"></div>

<script>
  var el = document.querySelector('.myClass');
  SimpleScrollbar.initEl(el);
</script>

If you use some client Framework, like Angular, Aurelia, etc - or any library that includes DOMElements dynamically in your app, and you want to use the SimpleScrollbar ss-container attribute, you can use the SimpleScrollbar.initAll method, and it will turn all the elements with that attribute in a scrollable one for you.

var div = document.createElement('div');
div.insertAdjacentHTML('afterbegin', '<span>One</span>');
div.setAttribute('ss-container', true);

var otherDiv = div.cloneNode(true);
otherDiv.querySelector('span').textContent = 'Two';

document.body.appendChild(div);
document.body.appendChild(otherDiv);

SimpleScrollbar.initAll();

Inspired by yairEO's jQuery plugin (fakescroll)