Viewport events

Enable viewport events for HTML elements: enteredView, leftView.

Usage

$ npm install viewport-events

	var vpEvents = require('viewport-events');

	//enable viewport events for all elements on the page
	vpEvents.enable();
	$('.my-element').on('leftView', function(){});
	$('.my-other-element').on('enteredView', function(){});

	//Disable all viewport events
	vpEvents.disable();


	//Enable viewport events for a Node/NodeList
	vpEvents.enable(element);
	element.addEventListener('enteredView', function(){});
	element.addEventListener('leftView', function(){});

	//Disable viewport events for the previously added element/selector
	vpEvents.disable(element);

API

vp.enable(selector)

Enable viewport events for an Element, NodeList or selector. If no selector specified, '*' is used.

vp.disable(selector)

Disable viewport events for previously registered selector. If no selector specified, all viewport events are unbound.

vp.enteredViewCallbackName

Callback name used for entering viewport event. enteredView is used by default.

vp.leftViewCallbackName

Callback name used for leaving viewport event. leftView is used by default.