Created
July 31, 2014 23:58
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| #test { | |
| background-color: #000000; | |
| background-image: url('http://placekitten.com/g/200/300'); | |
| display: block; | |
| width: 200px; | |
| height: 1000px; | |
| background-repeat: no-repeat; | |
| margin: 100px 0 0 0; | |
| background-attachment: fixed; | |
| } |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script src="//code.jquery.com/jquery-1.9.1.min.js"></script> | |
| <meta charset="utf-8"> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> | |
| <div id='test'> | |
| reference reference reference reference reference reference reference reference | |
| </div> | |
| </body> | |
| </html> |
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| (function(jQuery) { | |
| jQuery.fn.parallaxBackground = function(options) { | |
| var defaults = { | |
| offsetX: 0, | |
| offsetY: 0, | |
| ratio: 0.5 | |
| }; | |
| options = $.extend({}, defaults, options); | |
| var top = this.offset().top; | |
| var target = this; | |
| $(window).scroll(function(event) { | |
| console.log(event.originalEvent.pageY); | |
| console.log(top); | |
| console.log(options.ratio); | |
| //console.log($('#test').offset().top); | |
| var position = '0px ' + ((event.originalEvent.pageY - top) * options.ratio) + 'px'; | |
| target.css('background-position', position); | |
| console.log(position); | |
| }); | |
| return this; | |
| }; | |
| })(jQuery); | |
| $(document).ready(function() { | |
| $('#test').parallaxBackground(); | |
| }); |
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