oh hai

Add class to element once it enters the viewport.

Usage

Include jQuery and ohhai.js:

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>
<script src="/js/ohhai.js"></script>

Initialize in your .js file:

$('.fade-on-scroll').ohhai();

// Or change the options
$('.fade-on-scroll').ohhai({
    triggerOffset: 200
    inViewClass: 'visible'
});

Options

Option	Type	Default	Description
elTrigger	str	top	top or bottom. The point of the element that determines if it is in the viewport.
triggerOffset	int	0	Pixel amount that will be scrolled before trigger occurs
inViewClass	str	'visible'	The class that is added to visible elements.