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kaneshin/opacity.js

Created October 7, 2012 10:48
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change opacity when scrolling
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opacity.js
$(document).ready(function() {
$(window).scroll(function() {
if ($(this).scrollTop() > 0) {
$('header').css('opacity', 0.8);
} else {
$('header').css('opacity', 1);
}
});
});
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