YouTube Subscribe Button Themes

Custom animated subscribe button themes

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         YouTube Subscribe Button Themes
// @namespace    http://tampermonkey.net/
// @version      1.1
// @description  Custom animated subscribe button themes
// @author       NOT_FIND
// @match        https://www.youtube.com/*
// @icon         https://www.google.com/s2/favicons?domain=youtube.com
// @grant        none
// @license      MIT
// ==/UserScript==

const themeSelector = document.createElement('div');
themeSelector.innerHTML = `
    <div id="theme-popup" style="display:none;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:#202020;padding:20px;border-radius:10px;z-index:9999;box-shadow:0 0 20px rgba(0,0,0,0.5);width:400px">
        <h2 style="text-align:center;margin:0 0 20px;color:#fff">Subscribe Button Themes</h2>
        <div style="display:flex;justify-content:space-between;margin-bottom:20px">
            <div class="theme-preview">
                <div class="preview-btn futuristic">SUBSCRIBE</div>
                <button class="select-btn" onclick="selectTheme('futuristic')">Select</button>
            </div>
            <div class="theme-preview">
                <div class="preview-btn bendy">SUBSCRIBE</div>
                <button class="select-btn" onclick="selectTheme('bendy')">Select</button>
            </div>
            <div class="theme-preview">
                <div class="preview-btn particles">SUBSCRIBE</div>
                <button class="select-btn" onclick="selectTheme('particles')">Select</button>
            </div>
            <div class="theme-preview">
                <button class="select-btn" onclick="selectTheme('default')">Default</button>
            </div>
        </div>
    </div>
`;
document.body.appendChild(themeSelector);

const styles = document.createElement('style');
styles.textContent = `
    .select-btn {
        width: 100%;
        padding: 5px;
        border: none;
        border-radius: 4px;
        background: #065fd4;
        color: white;
        cursor: pointer;
    }

    .custom-subscribe-btn {
        width: 120px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-family: 'Roboto', sans-serif;
        font-weight: 500;
        font-size: 14px;
        cursor: pointer;
        border: none;
        margin: 0 4px;
        position: relative;
        overflow: hidden;
    }

    .preview-btn {
        width: 100px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 10px;
        font-size: 12px;
        font-weight: bold;
        position: relative;
        overflow: hidden;
    }

    /* Futuristic Theme */
    .futuristic {
        background: #7b2ff7;
        color: white;
        position: relative;
        overflow: hidden;
        border-radius: 5px;
        text-transform: uppercase;
        letter-spacing: 2px;
        transition: all 0.3s;
    }
    .futuristic::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
        transition: 0.5s;
    }
    .futuristic:hover::before {
        left: 100%;
    }

    /* Bendy Theme */
    .bendy {
        background: #00ff95;
        color: black;
        border-radius: 8px;
        transform-origin: center;
        animation: bendAnimation 2s ease-in-out infinite;
    }
    @keyframes bendAnimation {
        0% { transform: rotateX(0deg) scale(1); }
        25% { transform: rotateX(15deg) scale(1.05); }
        50% { transform: rotateX(0deg) scale(1); }
        75% { transform: rotateX(-15deg) scale(0.95); }
        100% { transform: rotateX(0deg) scale(1); }
    }

    /* Particles Theme */
    .particles {
        background: #2d2d2d;
        color: white;
        border-radius: 5px;
    }

    .preview-btn.particles::before,
    .preview-btn.particles::after,
    .custom-subscribe-btn.particles::before,
    .custom-subscribe-btn.particles::after {
        content: '❄';
        position: absolute;
        color: white;
        font-size: 10px;
        animation: snow 2s linear infinite;
        opacity: 0;
        z-index: 1;
    }

    .preview-btn.particles::before,
    .custom-subscribe-btn.particles::before {
        left: 30%;
        animation-delay: 0s;
    }

    .preview-btn.particles::after,
    .custom-subscribe-btn.particles::after {
        left: 70%;
        animation-delay: 1s;
    }

    @keyframes snow {
        0% {
            top: -20%;
            opacity: 0;
        }
        50% {
            opacity: 0.8;
        }
        100% {
            top: 120%;
            opacity: 0;
        }
    }
`;
document.head.appendChild(styles);

function replaceSubscribeButton(theme) {
    const subscribeButton = document.querySelector('#subscribe-button');
    if (subscribeButton) {
        const oldButton = subscribeButton.querySelector('button');
        if (oldButton) {
            if (theme === 'default') {
                return;
            }

            const newButton = document.createElement('div');
            newButton.className = `custom-subscribe-btn ${theme}`;

            const buttonText = oldButton.textContent.trim().toUpperCase();
            const isSubscribed = buttonText === 'SUBSCRIBED' || buttonText === 'UNSUBSCRIBE';

            newButton.innerHTML = isSubscribed ? 'SUBSCRIBED' : 'SUBSCRIBE';
            newButton.onclick = oldButton.onclick;
            oldButton.replaceWith(newButton);
        }
    }
}

window.selectTheme = function(theme) {
    if (theme === 'default') {
        localStorage.removeItem('subscribeTheme');
    } else {
        localStorage.setItem('subscribeTheme', theme);
    }
    location.reload();
}

window.addEventListener('keydown', (e) => {
    if(e.key === ';') {
        const popup = document.getElementById('theme-popup');
        popup.style.display = popup.style.display === 'none' ? 'block' : 'none';
    }
});

const observer = new MutationObserver(() => {
    const savedTheme = localStorage.getItem('subscribeTheme');
    if(savedTheme) {
        replaceSubscribeButton(savedTheme);
    }
});

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

const savedTheme = localStorage.getItem('subscribeTheme');
if(savedTheme) {
    replaceSubscribeButton(savedTheme);
}