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goTop-e6dcc5ec35.js
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goTop-e6dcc5ec35.js
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/*!
* jQuery goTop v1.1.2 (https://github.com/scottdorman/jquery-gotop)
* Copyright 2015 Scott Dorman (@sdorman)
* Licensed under MIT (https://github.com/scottdorman/jquery-gotop/blob/master/LICENSE)
* Adapted from goUp originally developed by Roger Vila (@_rogervila)
*/
(function ($) {
$.fn.goTop = function (options) {
$.fn.goTop.defaults = {
appear: 200,
scrolltime: 800,
src: "icon-gotop",
width: 45,
place: "right",
fadein: 500,
fadeout: 500,
opacity: 0.5,
marginX: 2,
marginY: 2
};
var opts = $.extend({}, $.fn.goTop.defaults, options);
return this.each(function () {
var g = $(this);
g.html("<a id='goTopAnchor'><span id='goTopSpan' /></a>");
var ga = g.children('a');
var gs = ga.children('span');
var css = {
"position": "fixed",
"display": "none",
"width": "'" + opts.width + "px'",
"z-index": "9",
"bottom": opts.marginY + "%"
};
css[opts.place === "left" ? "left" : "right"] = opts.marginX + "%";
g.css(css);
//opacity
ga.css("opacity", opts.opacity);
gs.addClass(opts.src);
gs.css("font-size", opts.width);
gs.hide();
//appear, fadein, fadeout
$(function () {
$(window).scroll(function () {
if ($(this).scrollTop() > opts.appear) {
g.fadeIn(opts.fadeout);
gs.fadeIn(opts.fadein);
}
else {
gs.fadeOut(opts.fadeout);
g.fadeOut(opts.fadeout);
}
});
//hover effect
$(ga).hover(function () {
$(this).css("opacity", "1.0");
$(this).css("cursor", "pointer");
}, function () {
$(this).css("opacity", opts.opacity);
});
//scrolltime
$(ga).click(function () {
$('body,html').animate({
scrollTop: 0
}, opts.scrolltime);
return false;
});
});
});
};
})(jQuery);