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Minimal jQuery Autoscroll to top
(function(jq) {
jq.autoScroll = function(ops) {
ops = ops || {};
ops.styleClass = ops.styleClass || 'scroll-to-top-button';
var t = jq('<div class="'+ops.styleClass+'"></div>'),
d = jq(ops.target || document);
jq(ops.container || 'body').append(t);
t.css({
opacity: 0,
position: 'absolute',
top: 0,
right: 0
}).click(function() {
jq('html,body').animate({
scrollTop: 0
}, ops.scrollDuration || 1000);
});
d.scroll(function() {
var sv = d.scrollTop();
if (sv < 10) {
t.clearQueue().fadeOut(ops.hideDuration || 200);
return;
}
t.css('display', '').clearQueue().animate({
top: sv,
opacity: 0.8
}, ops.showDuration || 500);
});
};
})(jQuery);
$(document).ready(function(){
$.autoScroll({
scrollDuration: 2000,
showDuration: 600,
hideDuration: 300
});
});
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