MediaWiki:Gadget-LetYouDown.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更改的影响。

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Google Chrome：按Ctrl-Shift-R（Mac为⌘-Shift-R）
Edge：按住Ctrl的同时单击刷新，或按Ctrl-F5。

/**
 * -------------------------------------------------------------------------
 * !!! DON'T MODIFY THIS PAGE MANUALLY, YOUR CHANGES WILL BE OVERWRITTEN !!!
 * -------------------------------------------------------------------------
 */
var _addText = '{{GHIACode|page=GHIA:MoegirlPediaInterfaceCodes/blob/master/src/gadgets/LetYouDown/Gadget-LetYouDown.js|user=[[U:AnnAngela]]|co-authors=GH:github-actions[bot]|longId=103d1a563ea4ccc8ff29fb55c9bcd88329a56eb5|shortId=103d1a56|summary=feat: rename (#594)|body=<nowiki>Co-authored-by: github-actions[bot] <41898282+github-actions[bot]📧users.noreply.github.com></nowiki>}}'; 

/* <pre> */

"use strict";
$(() => {
    const container = $("#mw-content-text");
    const getScrollTop = () => {
        const headings = $("#mw-content-text .mw-parser-output > :is(h1, h2)");
        return (headings.length >= 3 ? headings.last().offset().top : container.offset().top + container.outerHeight()) - 20;
    };
    let scrollTop = getScrollTop();
    setInterval(() => {
        scrollTop = getScrollTop();
    }, 7130);
    const btn = insertToBottomRightCorner("跳到底部").attr({
        title: "跳到底部",
        id: "LetYouDown",
    }).css({
        "user-select": "none",
        transition: "opacity .13s ease-in-out",
        order: "999",
    }).on("click", () => {
        $("html, body").animate({
            scrollTop: scrollTop,
        }, 130);
    });
    const $document = $(document);
    $(window).on("resize", () => {
        scrollTop = getScrollTop();
    }).on("scroll", () => {
        btn.css("opacity", $document.scrollTop() < scrollTop ? ".6" : "0");
    }).trigger("scroll");
}); 

/* </pre> */