// ==UserScript==
// @name         youbube竖屏旋转
// @namespace    https://bbs.tampermonkey.net.cn/
// @version      0.1.0
// @description  try to take over the world!
// @author       You
// @include      *youtube.com*
// ==/UserScript==

(function () {
    'use strict';
    //键位触发
    let keyRotate = 'r';

    let keyValueRotate = keyRotate.toUpperCase().charCodeAt();

    let rotate = function () {
        document.querySelector("#movie_player > div.html5-video-container > video").style.cssText += "; transform: rotate(90deg) scale(0.7);";
    };

    window.addEventListener('keyup', keyUp, false);
    function keyUp(e) {
        if (e.keyCode == keyValueRotate) {
            console.info(`按下了${keyRotate}键`);
            rotate();
            return
        }
    };
    // Your code here...
})();