herbaldrinkmate · February 21, 2026 21:52
diff --git a/Disable-Bilibili-Danmaku-Autoplay.user.js b/Disable-Bilibili-Danmaku-Autoplay.user.js
 // ==UserScript==
 // @name                 Disable Bilibili Danmaku and Autoplay
 // @name:zh-CN           禁用哔哩哔哩弹幕及自动连播
 // @namespace            http://tampermonkey.net/
 // @version              1.1
 // @description          Turns off Bilibili danmaku and autoplay switches. Works even when signed out or after clearing cookies.
 // @description:zh-CN    自动关闭B站弹幕及自动连播，即使处于未登录状态或清理了 Cookie，该脚本依然可以正常运行。
 // @match                *://www.bilibili.com/video/*
 // @match                *://player.bilibili.com/player.html*
 // @match                *://www.bilibili.com/blackboard/html5mobileplayer.html*
 // @grant                none
 // @icon                 https://www.bilibili.com/favicon.ico
 // @run-at               document-start
 // @license              MIT
 // ==/UserScript==

 (function() {
    'use strict';

    let lastExecutionTime = 0;
    let burstTimer = null;
    const COOLDOWN_MS = 2000; // Intervals between scans during idle periods to save CPU

    /**
     * Core function to detect and click active switches.
     */
    const disableSettings = () => {
        let foundAnything = false;

        // 1. PC/Embedded Player
        // Only trigger click if 'checked' is true to prevent toggle loops
        const danmakuInput = document.querySelector('.bui-danmaku-switch-input');
        if (danmakuInput && danmakuInput.checked) {
            danmakuInput.click();
            foundAnything = true;
        }

        // 2. Autoplay switch
        // Once clicked, the '.on' class is removed, preventing re-execution
        const autoPlayBtn = document.querySelector('.next-play .switch-btn.on, .video-pod .switch-btn.on');
        if (autoPlayBtn) {
            autoPlayBtn.click();
            foundAnything = true;
        }

        // 3. Mobile Player
        // Mobile UI uses 'mplayer-active' class on an icon rather than a checkbox
        const mobileDanmakuBtn = document.querySelector('.mplayer-btn-comment .mplayer-active');
        if (mobileDanmakuBtn) {
            mobileDanmakuBtn.click();
            foundAnything = true;
        }

        lastExecutionTime = Date.now();
        return foundAnything;
    };

    /**
     * Burst Mode: Increases scanning frequency to 200ms when dynamic changes are detected.
     * Ensures settings are disabled immediately after SPA navigation or page load.
     */
    const triggerBurst = () => {
        if (burstTimer) return; 

        let attempts = 0;
        burstTimer = setInterval(() => {
            const deactivated = disableSettings();
            attempts++;

            // Exit burst mode once switches are handled or timeout (5s) is reached
            if (deactivated || attempts > 25) {
                clearInterval(burstTimer);
                burstTimer = null;
            }
        }, 200);
    };

    /**
     * MutationObserver to handle Bilibili's SPA navigation.
     * Monitors node additions within the player container.
     */
    const observer = new MutationObserver((mutations) => {
        let shouldCheck = false;
        for (let i = 0; i < mutations.length; i++) {
            if (mutations[i].addedNodes.length > 0) {
                shouldCheck = true;
                break;
            }
        }

        if (shouldCheck) {
            const now = Date.now();
            // If the last scan was long ago, start a high-frequency burst
            if (now - lastExecutionTime > COOLDOWN_MS) {
                triggerBurst();
            } else {
                disableSettings();
            }
        }
    });

    const init = () => {
        // Narrow the scope to the main container found during DOM analysis to reduce overhead
        const targetContainer = document.querySelector('#mirror-vdcon') || document.body;
        
        observer.observe(targetContainer, {
            childList: true,
            subtree: true
        });

        // Run initial burst to catch elements rendered during early load
        triggerBurst();
    };

    // Initialize as soon as the body is available
    if (document.body) {
        init();
    } else {
        const preObserver = new MutationObserver(() => {
            if (document.body) {
                preObserver.disconnect();
                init();
            }
        });
        preObserver.observe(document.documentElement, { childList: true });
    }
 })();
	// ==UserScript==
	// @name Disable Bilibili Danmaku and Autoplay
	// @name:zh-CN 禁用哔哩哔哩弹幕及自动连播
	// @namespace http://tampermonkey.net/
	// @version 1.1
	// @description Turns off Bilibili danmaku and autoplay switches. Works even when signed out or after clearing cookies.
	// @description:zh-CN 自动关闭B站弹幕及自动连播，即使处于未登录状态或清理了 Cookie，该脚本依然可以正常运行。
	// @match ://www.bilibili.com/video/
	// @match ://player.bilibili.com/player.html
	// @match ://www.bilibili.com/blackboard/html5mobileplayer.html
	// @grant none
	// @icon https://www.bilibili.com/favicon.ico
	// @run-at document-start
	// @license MIT
	// ==/UserScript==

	(function() {
	'use strict';

	let lastExecutionTime = 0;
	let burstTimer = null;
	const COOLDOWN_MS = 2000; // Intervals between scans during idle periods to save CPU

	/**
	* Core function to detect and click active switches.
	*/
	const disableSettings = () => {
	let foundAnything = false;

	// 1. PC/Embedded Player
	// Only trigger click if 'checked' is true to prevent toggle loops
	const danmakuInput = document.querySelector('.bui-danmaku-switch-input');
	if (danmakuInput && danmakuInput.checked) {
	danmakuInput.click();
	foundAnything = true;
	}

	// 2. Autoplay switch
	// Once clicked, the '.on' class is removed, preventing re-execution
	const autoPlayBtn = document.querySelector('.next-play .switch-btn.on, .video-pod .switch-btn.on');
	if (autoPlayBtn) {
	autoPlayBtn.click();
	foundAnything = true;
	}

	// 3. Mobile Player
	// Mobile UI uses 'mplayer-active' class on an icon rather than a checkbox
	const mobileDanmakuBtn = document.querySelector('.mplayer-btn-comment .mplayer-active');
	if (mobileDanmakuBtn) {
	mobileDanmakuBtn.click();
	foundAnything = true;
	}

	lastExecutionTime = Date.now();
	return foundAnything;
	};

	/**
	* Burst Mode: Increases scanning frequency to 200ms when dynamic changes are detected.
	* Ensures settings are disabled immediately after SPA navigation or page load.
	*/
	const triggerBurst = () => {
	if (burstTimer) return;

	let attempts = 0;
	burstTimer = setInterval(() => {
	const deactivated = disableSettings();
	attempts++;

	// Exit burst mode once switches are handled or timeout (5s) is reached
	if (deactivated \|\| attempts > 25) {
	clearInterval(burstTimer);
	burstTimer = null;
	}
	}, 200);
	};

	/**
	* MutationObserver to handle Bilibili's SPA navigation.
	* Monitors node additions within the player container.
	*/
	const observer = new MutationObserver((mutations) => {
	let shouldCheck = false;
	for (let i = 0; i < mutations.length; i++) {
	if (mutations[i].addedNodes.length > 0) {
	shouldCheck = true;
	break;
	}
	}

	if (shouldCheck) {
	const now = Date.now();
	// If the last scan was long ago, start a high-frequency burst
	if (now - lastExecutionTime > COOLDOWN_MS) {
	triggerBurst();
	} else {
	disableSettings();
	}
	}
	});

	const init = () => {
	// Narrow the scope to the main container found during DOM analysis to reduce overhead
	const targetContainer = document.querySelector('#mirror-vdcon') \|\| document.body;

	observer.observe(targetContainer, {
	childList: true,
	subtree: true
	});

	// Run initial burst to catch elements rendered during early load
	triggerBurst();
	};

	// Initialize as soon as the body is available
	if (document.body) {
	init();
	} else {
	const preObserver = new MutationObserver(() => {
	if (document.body) {
	preObserver.disconnect();
	init();
	}
	});
	preObserver.observe(document.documentElement, { childList: true });
	}
	})();