MediaWiki:Gadget-Backtotop.js

注意：在发布之后，您可能需要清除浏览器缓存才能看到所作出的变更的影响。

• Firefox或Safari：按住Shift的同时单击刷新，或按Ctrl-F5或Ctrl-R（Mac为⌘-R）
• Google Chrome：按Ctrl-Shift-R（Mac为⌘-Shift-R）
• Internet Explorer或Edge：按住Ctrl的同时单击刷新，或按Ctrl-F5
• Opera：按 Ctrl-F5。

/* 本Gadgets来自萌娘百科 http://zh.moegirl.org/MediaWiki:Gadget-Backtotop.js */
/* 舰娘百科的管理员对此段代码做了修改 */
/* 回到顶部 */
(function() {
var svgImage = '<svg id="rocket" version="1.1" xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 64 64">' +
'<path fill="#CCCCCC" d="M42.057,37.732c0,0,4.139-25.58-9.78-36.207c-0.307-0.233-0.573-0.322-0.802-0.329' +
'c-0.227,0.002-0.493,0.083-0.796,0.311c-13.676,10.31-8.95,35.992-8.95,35.992c-10.18,8-7.703,9.151-1.894,23.262' +
'c1.108,2.693,3.048,2.06,3.926,0.115c0.877-1.943,2.815-6.232,2.815-6.232l11.029,0.128c0,0,2.035,4.334,2.959,6.298' +
'c0.922,1.965,2.877,2.644,3.924-0.024C49.974,47.064,52.423,45.969,42.057,37.732z M31.726,23.155' +
'c-2.546-0.03-4.633-2.118-4.664-4.665c-0.029-2.547,2.012-4.587,4.559-4.558c2.546,0.029,4.634,2.117,4.663,4.664' +
'C36.314,21.143,34.272,23.184,31.726,23.155z"></path>';
var $backToTopTxt = "返回顶部", $backToTopEle = $('<div class="backToTop"></div>').appendTo($("body"))
.html(svgImage).attr("title", $backToTopTxt).click(function() {
$("html, body").animate({ scrollTop: 0 }, 120);
}), $backToTopFun = function() {
var st = $(document).scrollTop(), winh = $(window).height();
(st > 0)? $backToTopEle.fadeIn(): $backToTopEle.fadeOut();
//IE6下的定位
if (!window.XMLHttpRequest) {
$backToTopEle.css("top", st + winh - 166);
}
};
$(window).on("scroll", $backToTopFun);
$(function() { $backToTopFun(); });
})();