Created
September 29, 2016 21:13
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cbp Animated Header
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| /** | |
| * cbpAnimatedHeader.js v1.0.0 | |
| * http://www.codrops.com | |
| * | |
| * Licensed under the MIT license. | |
| * http://www.opensource.org/licenses/mit-license.php | |
| * | |
| * Copyright 2013, Codrops | |
| * http://www.codrops.com | |
| */ | |
| var cbpAnimatedHeader = (function() { | |
| var docElem = document.documentElement, | |
| header = document.querySelector( '.navbar-default' ), | |
| didScroll = false, | |
| changeHeaderOn = 40; // Origional 300 | |
| function init() { | |
| window.addEventListener( 'scroll', function( event ) { | |
| if( !didScroll ) { | |
| didScroll = true; | |
| setTimeout( scrollPage, 250 ); // Origional scrollPage, 250 | |
| } | |
| }, false ); | |
| } | |
| function scrollPage() { | |
| var sy = scrollY(); | |
| if ( sy >= changeHeaderOn ) { | |
| classie.add( header, 'navbar-shrink' ); | |
| } | |
| else { | |
| classie.remove( header, 'navbar-shrink' ); | |
| } | |
| didScroll = false; | |
| } | |
| function scrollY() { | |
| return window.pageYOffset || docElem.scrollTop; | |
| } | |
| init(); | |
| })(); |
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