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Show The Average Score For Animes/Mangas Instead Of N/A

Use this script to see the average score of unpopular animes/mangas that have unweighted scores "N/A" on MAL.

当前为 2022-01-09 提交的版本，查看 最新版本。

// ==UserScript==
// @name         Show The Average Score For Animes/Mangas Instead Of N/A
// @namespace    AverageScore
// @version      0.13
// @description  Use this script to see the average score of unpopular animes/mangas that have unweighted scores "N/A" on MAL.
// @author       hacker09
// @include      /^https:\/\/myanimelist\.net\/((anime|manga)(id=)?(\.php\?id=)?)(\/)?([\d]+)/
// @icon         https://t3.gstatic.com/faviconV2?client=SOCIAL&type=FAVICON&fallback_opts=TYPE,SIZE,URL&url=http://myanimelist.net&size=64
// @run-at       document-end
// @grant        none
// ==/UserScript==
(function() {
  'use strict';
  if (document.querySelector("div.score-label.score-na") !== null) { //If the N/A score exists

    async function GetStats() //Creates a function to get the stats
    { //Starts the function
      var url = document.querySelector("a[href*='stats']").href; //Get the stats page url
      const response = await fetch(url); //Fetch the stats page
      const html = await response.text(); //Gets the fetch response
      const newDocument = new DOMParser().parseFromString(html, 'text/html'); //Parses the fetch response

      const votes = [...newDocument.querySelectorAll(".score-stats td")].map(row => row.textContent)
      const scoreDictionary = {}
      for (let i = 1; i < votes.length; i += 2) {
        const vote = votes[i];
        const score = votes[i - 1];
        scoreDictionary[score] = vote;
      }

      for (let i in scoreDictionary)
        scoreDictionary[i] = Number(scoreDictionary[i].match(/.*\((\d+) votes?\)/)[1]);
      const totalVotes = Object.values(scoreDictionary).reduce((acc, val) => acc + val);
      let average = 0;

      for (let i in scoreDictionary)
        average += scoreDictionary[i] * i;
      var result = average /= totalVotes;

      document.querySelector("div.score-label.score-na").innerText = result.toFixed(2); //Show the Average Score results
      document.querySelectorAll("div.fl-l.score")[0].dataset.user = totalVotes + ' users'; //Show the total users that voted
    } //Finishes the async function

    var TimesExecuted = 0; //Creates a new variable

    window.onmousemove = async function() { //Creates a new function to run when the mouse is hovering the page
      TimesExecuted += 1; //Sum the amount of times that the mouse hovered the page
      if (TimesExecuted === 1) { //On the first time that the page is hovered
        GetStats(); //Starts the function GetStats
      } // //Finishes the if condition
    }; //Finishes the onmousemove event listener

  } //Finishes the if statement
})();