"履修状況確認（受講登録内容・成績一覧）ページ"での実行で各成績の個数を表示するブックマークレット（※P/F評価の場合はPをカウントしません）

GPAcount.js

// ブックマークレット
// ↓の一行をブックマークのURLにコピペしてね
javascript:(function(){const grades=[{name:"A+",credit1:0,credit2:0},{name:"A",credit1:0,credit2:0},{name:"B",credit1:0,credit2:0},{name:"C",credit1:0,credit2:0},{name:"F",credit1:0,credit2:0},];const creditsElms=[...document.querySelectorAll("#content>div.result_list>div.result_list>table>tbody>tr>td:nth-child(5)"),];const gradesElms=[...document.querySelectorAll("#content>div.result_list>div.result_list>table>tbody>tr>td:nth-child(6)"),];for(let i=0;i<gradesElms.length;i++){if(creditsElms[i].textContent==="1"){grades.map((grade)=>{if(gradesElms[i].textContent===grade.name)grade.credit1++;});}if(creditsElms[i].textContent==="2"){grades.map((grade)=>{if(gradesElms[i].textContent===grade.name)grade.credit2++;});}}const outs=grades.map((grade)=>{return`${grade.name}   1単位: ${grade.credit1}  2単位: ${grade.credit2}`;});alert(outs.join("\n"));})();

// 原文
(function () {
  const grades = [
    { name: "A+", credit1: 0, credit2: 0 },
    { name: "A", credit1: 0, credit2: 0 },
    { name: "B", credit1: 0, credit2: 0 },
    { name: "C", credit1: 0, credit2: 0 },
    { name: "F", credit1: 0, credit2: 0 },
  ];

  const creditsElms = [
    ...document.querySelectorAll(
      "#content > div.result_list > div.result_list > table > tbody > tr > td:nth-child(5)"
    ),
  ];

  const gradesElms = [
    ...document.querySelectorAll(
      "#content > div.result_list > div.result_list > table > tbody > tr > td:nth-child(6)"
    ),
  ];

  for (let i = 0; i < gradesElms.length; i++) {
    // 1単位
    if (creditsElms[i].textContent === "1") {
      grades.map((grade) => {
        if (gradesElms[i].textContent === grade.name) grade.credit1++;
      });
    }

    // 2単位
    if (creditsElms[i].textContent === "2") {
      grades.map((grade) => {
        if (gradesElms[i].textContent === grade.name) grade.credit2++;
      });
    }
  }

  const outs = grades.map((grade) => {
    return `${grade.name}   1単位:${grade.credit1}  2単位:${grade.credit2}`;
  });

  const sum =
    grades.map(g=>g.credit1).reduce((sum, element) => sum + element, 0) +
    grades.map(g=>g.credit2).reduce((sum, element) => sum + 2*element, 0);

  outs.push("履修合計: " + sum);

  alert(outs.join("\n"));
})();