Minimal jQuery Scroll Position Detection Plugin - Scroll Class

Scroll Class is a super tiny jQuery plugin that detects the page scroll position and automatically adds specified CSS classes to elements when they come into view.

How to use it:

1. Include jQuery library and the jQuery scroll class plugin at the bottom of the webpage.

<script src="//code.jquery.com/jquery-1.11.3.min.js"></script>
<script src="dist/scrollclass.min.js"></script>

2. Add the CSS classes to an element using data-scroll-class attribute. In this case, we use Animate.css to animate this element when it's scrolled into view.

<div data-scroll-class="animated infinite bounce"></div>

3. Active the plugin with one JS call.

$('div').scrollClass();

4. Default plugin options.

$('div').scrollClass({
  viewport: window,
  offset: 0,
  attribute: 'data-scroll-class',

  debounce: false,
  throttle: true,
  delay: 250,

  runOnInit: true,
  removeOnScroll: false,
  cachePositions: true,

  addClass: null,
  removeClass: null
});

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This awesome jQuery plugin is developed by ryanknights. For more Advanced Usages, please check the demo page or visit the official website.