// ==UserScript==// @name         Amazon - Show absolute review numbers// @namespace    graphen// @version      1.2.5// @description  Adds the number of reviews to each rating separately// @license      MIT// @author       Graphen// @include      /^https?:\/\/(www|smile)\.amazon\.(cn|in|co\.jp|sg|se|ae|fr|de|pl|it|nl|es|co\.uk|ca|com(\.(mx|au|br|tr|be))?)\/.*(dp|gp\/(product|video)|exec\/obidos\/ASIN|o\/ASIN|product-reviews)\/.*$/// @grant        none// @noframes// @icon         https://www.amazon.com/favicon.ico// ==/UserScript==/* jshint esversion: 6 */// Testpages:// https://www.amazon.de/s?k=roccat+kone+pure+2017&__mk_de_DE=%C3%85M%C3%85%C5%BD%C3%95%C3%91&qid=1556553434&ref=sr_pg_1// https://www.amazon.de/dp/B078S8YZZ6/(function(doc) {'use strict';var totalReviewCount = doc.querySelector('[data-hook="total-review-count"]').innerText;var arrPercentages = Array.from(doc.querySelectorAll("#histogramTable .a-text-right > .a-size-base"));if (totalReviewCount && arrPercentages) {// Sanitize totalReviewCount// Remove all non-digitstotalReviewCount = totalReviewCount.replace(/\D/g, '');// Convert string to integertotalReviewCount = parseInt(totalReviewCount, 10);// Check for nonsense (Most reviewed product has ~100000 at the moment)if (totalReviewCount < 250000) {for (var e of arrPercentages) {let percentValue = e.innerText;// Get rid of percentage sign and convert string to integerpercentValue = parseInt(percentValue, 10);// Calculate absolute review countpercentValue = Math.round(percentValue * totalReviewCount / 100);// Cancel if nonsenseif (percentValue > totalReviewCount || percentValue < 0) {break;}// Append calculated value to visible nodevar absNum = doc.createTextNode(" (" + percentValue + ")");e.appendChild(absNum);}}}// Insert own stylesheetlet reviewStyle = doc.createElement("style");reviewStyle.innerHTML = "#histogramTable td:last-of-type { text-align: right !important; }";doc.head.appendChild(reviewStyle);})(document);