显示youtube好评/差评比例(好评占比)

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显示youtube好评/差评比例(好评占比)

治好了我每次看到好评和差评时都忍不住心算一下好评占比的强迫症|Show the ratio of Positive/Negative of Youtube video

当前为 2020-03-29 提交的版本，查看最新版本。

换行

// ==UserScript==
// @name         显示youtube好评/差评比例(好评占比)
// @namespace    http://tampermonkey.net/
// @version      0.3
// @description  治好了我每次看到好评和差评时都忍不住心算一下好评占比的强迫症|Show the ratio of Positive/Negative of Youtube video
// @author       SSmJaE
// @match        https://www.youtube.com/*
// @grant        none
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    function change() {
        let menuBar = document.querySelector('div#info div#menu div#top-level-buttons');
        let up = menuBar.childNodes[0].querySelector('[id="text"]');
        let down = menuBar.childNodes[1].querySelector('[id="text"]');
        let shareButton = menuBar.childNodes[2].querySelector('[id="text"]');

        let upCount = up.getAttribute('aria-label');
        let downCount = down.getAttribute('aria-label');

        upCount = upCount.replace(',', '').replace('.','');
        upCount = parseInt(upCount);
        downCount = downCount.replace(',', '').replace('.','');
        downCount = parseInt(downCount);

        let ratio = Math.round(upCount * 1000 / (upCount + downCount)) / 10;
        shareButton.textContent = ratio + "%";
    }

    function wait() {
        setInterval(change, 5000);
    }

    wait();
    window.addEventListener("load", change, false);
    window.addEventListener("focus", change, false);
})();