education learning

adult content

Korean

The domain name 'mathadu-da152ee0il.edgeone.app' uses the application-focused generic top-level domain (.app); it also runs on subdomain 'mathadu-da152ee0il'. The second-level label 'edgeone' is 7 characters long split between four vowels and 3 consonants. Breaking it apart gives two words: edge, one. Average segment length settles at 3.5 characters. No strong language cues emerged from the frequency lists.

html/a3/78/a378ab58-9fd0-4243-be3c-b5a94a8299e6.html.gz

require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes

ca1b88c5330f7177a9521b67698ee180d009efe4c23ae9890b006568b9b01d4f

viewport

HSTS header missing - vulnerable to protocol downgrade attacks

CSP header missing - vulnerable to XSS attacks

html/a3/78/a378ab58-9fd0-4243-be3c-b5a94a8299e6_nodriver.html.gz

수학 탐험대 🚀

Prudence Malinki

MarkMonitor Inc.

edgeone.app

Abuse

Google LLC

GOOGLE


// ===== STATE =====
let selectedTopics = [];
let difficulty = 'medium';
let questionCount = 10;
let questions = [];
let currentIdx = 0;
let score = 0;
let correct = 0;
let wrong = 0;
let streak = 0;
let bestStreak = 0;
let totalScore = 0;
let totalCorrect = 0;
let globalStreak = 0;

// ===== SETUP =====
document.querySelectorAll('.topic-btn').forEach(btn => {
  btn.addEventListener('click', () => {
    btn.classList.toggle('selected');
    selectedTopics = [...document.querySelectorAll('.topic-btn.selected')].map(b => b.dataset.topic);
    document.getElementById('startBtn').disabled = selectedTopics.length === 0;
  });
});

document.querySelectorAll('.diff-btn[data-d]').forEach(btn => {
  btn.addEventListener('click', () => {
    document.querySelectorAll('.diff-btn[data-d]').forEach(b => b.classList.remove('selected'));
    btn.classList.add('selected');
    difficulty = btn.dataset.d;
  });
});

document.querySelectorAll('[data-q]').forEach(btn => {
  btn.addEventListener('click', () => {
    document.querySelectorAll('[data-q]').forEach(b => b.classList.remove('selected'));
    btn.classList.add('selected');
    questionCount = parseInt(btn.dataset.q);
  });
});

document.getElementById('startBtn').addEventListener('click', startQuiz);
document.getElementById('nextBtn').addEventListener('click', nextQuestion);
document.getElementById('ansSubmit').addEventListener('click', submitInput);
document.getElementById('ansInput').addEventListener('keydown', e => { if(e.key === 'Enter') submitInput(); });
document.getElementById('backSetup').addEventListener('click', () => showScreen('setupScreen'));
document.getElementById('playAgain').addEventListener('click', startQuiz);

// ===== HELPERS =====
function rand(min, max) { return Math.floor(Math.random() * (max - min + 1)) + min; }
function randFloat(min, max, dec=1) { return parseFloat((Math.random() * (max - min) + min).toFixed(dec)); }
function showScreen(id) {
  document.querySelectorAll('.screen').forEach(s => s.classList.remove('active'));
  document.getElementById(id).classList.add('active');
}
function shuffle(arr) { return arr.sort(() => Math.random() - 0.5); }

// ===== QUESTION GENERATORS =====
const SHAPE_NAMES = {
  square: '정사각형', rectangle: '직사각형', triangle: '삼각형',
  parallelogram: '평행사변형', trapezoid: '사다리꼴', circle: '원(반지름)'
};

function genAddSub(d) {
  const ranges = { easy: [1,20], medium: [10,999], hard: [100, 99999] };
  const [mn, mx] = ranges[d];
  const a = rand(mn, mx), b = rand(mn, mx);
  const op = Math.random() > 0.5 ? '+' : '-';
  const ans = op === '+' ? a + b : a - b;
  return { text: `${a.toLocaleString()} ${op} ${b.toLocaleString()} = ?`, answer: ans, hint: op === '+' ? '덧셈' : '뺄셈', inputType: 'mc' };
}

function genMulDiv(d) {
  const ranges = { easy: [1,9], medium: [2,99], hard: [10,999] };
  const [mn, mx] = ranges[d];
  const op = Math.random() > 0.5 ? '×' : '÷';
  if (op === '×') {
    const a = rand(mn, mx), b = d === 'easy' ? rand(1,9) : rand(2, Math.min(mx, 99));
    return { text: `${a.toLocaleString()} × ${b.toLocaleString()} = ?`, answer: a*b, hint: '곱셈', inputType: 'mc' };
  } else {
    const b = rand(2, d === 'easy' ? 9 : 99);
    const ans = rand(1, d === 'easy' ? 9 : 99);
    return { text: `${(b*ans).toLocaleString()} ÷ ${b.toLocaleString()} = ?`, answer: ans, hint: '나눗셈', inputType: 'mc' };
  }
}

function genDecimal(d) {
  const a = randFloat(0.1, d === 'hard' ? 999.9 : 9.9, d === 'hard' ? 2 : 1);
  const b = randFloat(0.1, d === 'hard' ? 99.9 : 9.9, d === 'hard' ? 2 : 1);
  const ops = ['+', '-', '×'];
  const op = ops[rand(0, 2)];
  let ans;
  if (op === '+') ans = parseFloat((a + b).toFixed(3));
  else if (op === '-') ans = parseFloat(Math.abs(a - b).toFixed(3));
  else ans = parseFloat((a * b).toFixed(3));
  const textA = op === '-' ? Math.max(a,b) : a;
  const textB = op === '-' ? Math.min(a,b) : b;
  return { text: `${textA} ${op} ${textB} = ?`, answer: ans, hint: '소수 계산', inputType: 'input' };
}

function genFraction(d) {
  const dens = d === 'easy' ? [2,3,4,5] : d === 'medium' ? [2,3,4,5,6,8,10] : [3,4,5,6,7,8,9,10,12];
  const den1 = dens[rand(0, dens.length-1)];
  const den2 = dens[rand(0, dens.length-1)];
  const num1 = rand(1, den1-1);
  const num2 = rand(1, den2-1);
  const lcm = den1*den2 / gcd(den1,den2);
  const sumNum = num1*(lcm/den1) + num2*(lcm/den2);
  const g = gcd(sumNum, lcm);
  const ansNum = sumNum/g, ansDen = lcm/g;
  const ansText = ansDen === 1 ? `${ansNum}` : `${ansNum}/${ansDen}`;
  return {
    text: `${num1}/${den1} + ${num2}/${den2} = ?`,
    answer: ansText,
    hint: '분수 덧셈',
    inputType: 'input',
    tip: `공통분모: ${lcm}으로 통분하세요!`
  };
}

function gcd(a, b) { return b === 0 ? a : gcd(b, a % b); }

function genArea(d) {
  const shapes = ['square','rectangle','triangle','parallelogram','trapezoid'];
  const shape = shapes[rand(0, shapes.length-1)];
  const r = d === 'easy' ? [1,10] : d === 'medium' ? [2,50] : [5,200];
  let text, answer, tip, visual = '';

  if (shape === 'square') {
    const s = rand(r[0], r[1]);
    answer = s*s;
    text = `한 변의 길이가 ${s}인 정사각형의 넓이는?`;
    tip = '넓이 = 변 × 변';
  } else if (shape === 'rectangle') {
    const w = rand(r[0], r[1]), h = rand(r[0], r[1]);
    answer = w*h;
    text = `가로 ${w}, 세로 ${h}인 직사각형의 넓이는?`;
    tip = '넓이 = 가로 × 세로';
  } else if (shape === 'triangle') {
    const base = rand(r[0], r[1]), h = rand(r[0], r[1]);
    answer = (base*h)/2;
    text = `밑변 ${base}, 높이 ${h}인 삼각형의 넓이는?`;
    tip = '넓이 = 밑변 × 높이 ÷ 2';
  } else if (shape === 'parallelogram') {
    const base = rand(r[0], r[1]), h = rand(r[0], r[1]);
    answer = base*h;
    text = `밑변 ${base}, 높이 ${h}인 평행사변형의 넓이는?`;
    tip = '넓이 = 밑변 × 높이';
  } else {
    const a = rand(r[0], r[1]), b = rand(r[0], r[1]), h = rand(r[0], r[1]);
    answer = ((a+b)*h)/2;
    text = `윗변 ${a}, 아랫변 ${b}, 높이 ${h}인 사다리꼴의 넓이는?`;
    tip = '넓이 = (윗변 + 아랫변) × 높이 ÷ 2';
  }
  return { text, answer: parseFloat(answer.toFixed(2)), hint: `${SHAPE_NAMES[shape]} 넓이`, inputType: 'mc', tip };
}

function genPerimeter(d) {
  const shapes = ['square','rectangle','triangle'];
  const shape = shapes[rand(0, shapes.length-1)];
  const r = d === 'easy' ? [1,10] : d === 'medium' ? [2,50] : [5,200];
  let text, answer, tip;
  if (shape === 'square') {
    const s = rand(r[0], r[1]);
    answer = s*4;
    text = `한 변의 길이가 ${s}인 정사각형의 둘레는?`;
    tip = '둘레 = 변 × 4';
  } else if (shape === 'rectangle') {
    const w = rand(r[0], r[1]), h = rand(r[0], r[1]);
    answer = 2*(w+h);
    text = `가로 ${w}, 세로 ${h}인 직사각형의 둘레는?`;
    tip = '둘레 = (가로 + 세로) × 2';
  } else {
    const a = rand(r[0], r[1]), b = rand(r[0], r[1]), c = rand(r[0], r[1]);
    answer = a+b+c;
    text = `세 변이 ${a}, ${b}, ${c}인 삼각형의 둘레는?`;
    tip = '둘레 = 세 변의 합';
  }
  return { text, answer, hint: '둘레', inputType: 'mc', tip };
}

function genPower(d) {
  const bases = d === 'easy' ? [2,3,4,5] : d === 'medium' ? [2,3,4,5,6,7,8,9,10] : [2,3,4,5,6,7,8,9,10,11,12];
  const exps = d === 'easy' ? [2] : d === 'medium' ? [2,3] : [2,3,4];
  const base = bases[rand(0, bases.length-1)];
  const exp = exps[rand(0, exps.length-1)];
  const answer = Math.pow(base, exp);
  return { text: `${base}${toSuperscript(exp)} = ?`, answer, hint: '거듭제곱', inputType: 'mc', tip: `${base}를 ${exp}번 곱하세요: ${Array(exp).fill(base).join(' × ')}` };
}

function toSuperscript(n) {
  const sup = {'0':'⁰','1':'¹','2':'²','3':'³','4':'⁴','5':'⁵','6':'⁶','7':'⁷','8':'⁸','9':'⁹'};
  return String(n).split('').map(c => sup[c]||c).join('');
}

function genNegative(d) {
  const r = d === 'easy' ? 10 : d === 'medium' ? 50 : 200;
  const a = rand(-r, r), b = rand(-r, r);
  const ops = ['+', '-', '×'];
  const op = d === 'easy' ? ops[rand(0,1)] : ops[rand(0,2)];
  let ans;
  if (op === '+') ans = a + b;
  else if (op === '-') ans = a - b;
  else ans = a * b;
  return { text: `(${a}) ${op} (${b}) = ?`, answer: ans, hint: '음수 계산', inputType: 'mc' };
}

function genVolume(d) {
  const shapes = ['cube', 'cuboid', 'cylinder', 'cone', 'sphere', 'triangularPrism'];
  const shape = shapes[rand(0, d === 'easy' ? 1 : shapes.length - 1)];
  const r = d === 'easy' ? [1, 8] : d === 'medium' ? [2, 20] : [3, 50];

  let text, answer, tip;

  if (shape === 'cube') {
    const s = rand(r[0], r[1]);
    answer = s * s * s;
    text = `한 변의 길이가 ${s}인 정육면체의 부피는?`;
    tip = '부피 = 변³';
  } else if (shape === 'cuboid') {
    const w = rand(r[0], r[1]), h = rand(r[0], r[1]), l = rand(r[0], r[1]);
    answer = w * h * l;
    text = `가로 ${w}, 세로 ${h}, 높이 ${l}인 직육면체의 부피는?`;
    tip = '부피 = 가로 × 세로 × 높이';
  } else if (shape === 'cylinder') {
    const radius = rand(r[0], Math.min(r[1], 15));
    const h = rand(r[0], r[1]);
    answer = parseFloat((Math.PI * radius * radius * h).toFixed(2));
    text = `반지름 ${radius}, 높이 ${h}인 원기둥의 부피는? (π=3.14)`;
    tip = '부피 = π × 반지름² × 높이';
    answer = parseFloat((3.14 * radius * radius * h).toFixed(2));
  } else if (shape === 'cone') {
    const radius = rand(r[0], Math.min(r[1], 15));
    const h = rand(r[0], r[1]);
    answer = parseFloat((3.14 * radius * radius * h / 3).toFixed(2));
    text = `반지름 ${radius}, 높이 ${h}인 원뿔의 부피는? (π=3.14)`;
    tip = '부피 = π × 반지름² × 높이 ÷ 3';
  } else if (shape === 'sphere') {
    const radius = rand(r[0], Math.min(r[1], 10));
    answer = parseFloat((4 / 3 * 3.14 * radius * radius * radius).toFixed(2));
    text = `반지름 ${radius}인 구의 부피는? (π=3.14)`;
    tip = '부피 = (4/3) × π × 반지름³';
  } else {
    const base = rand(r[0], r[1]), h_tri = rand(r[0], r[1]), length = rand(r[0], r[1]);
    answer = parseFloat((0.5 * base * h_tri * length).toFixed(2));
    text = `밑변 ${base}, 높이 ${h_tri}, 길이 ${length}인 삼각기둥의 부피는?`;
    tip = '부피 = 밑넓이(삼각형) × 길이 = 밑변 × 높이 ÷ 2 × 길이';
  }

  return { text, answer, hint: '입체 부피', inputType: 'mc', tip };
}

// ===== GENERATE QUESTIONS =====
function generateQuestions() {
  const generators = {
    add_sub: genAddSub, mul_div: genMulDiv, decimal: genDecimal,
    fraction: genFraction, area: genArea, perimeter: genPerimeter,
    power: genPower, negative: genNegative, volume: genVolume
  };
  questions = [];
  for (let i = 0; i < questionCount; i++) {
    const topic = selectedTopics[i % selectedTopics.length];
    const gen = generators[topic];
    questions.push({ ...gen(difficulty), topicKey: topic });
  }
  shuffle(questions);
}

// ===== QUIZ LOGIC =====
function startQuiz() {
  score = 0; correct = 0; wrong = 0; streak = 0; bestStreak = 0;
  currentIdx = 0;
  generateQuestions();
  showScreen('quizScreen');
  loadQuestion();
}

function loadQuestion() {
  const q = questions[currentIdx];
  const total = questions.length;
  document.getElementById('qCount').textContent = `${currentIdx+1}/${total}`;
  document.getElementById('progressFill').style.width = `${(currentIdx/total)*100}%`;
  document.getElementById('qTopicBadge').textContent = q.hint;
  document.getElementById('qHint').textContent = q.hint;
  document.getElementById('qText').textContent = q.text;
  document.getElementById('qVisual').textContent = '';
  document.getElementById('feedbackBox').className = 'feedback-box';
  document.getElementById('nextBtn').className = 'next-btn';

  const tipEl = document.getElementById('formulaTip');
  if (q.tip) { tipEl.textContent = '💡 ' + q.tip; tipEl.style.display = 'block'; }
  else tipEl.style.display = 'none';

  if (q.inputType === 'mc') {
    document.getElementById('inputContainer').style.display = 'none';
    renderMCOptions(q);
  } else {
    document.getElementById('optionsContainer').innerHTML = '';
    document.getElementById('inputContainer').style.display = 'flex';
    document.getElementById('ansInput').value = '';
    document.getElementById('ansInput').disabled = false;
    document.getElementById('ansSubmit').disabled = false;
    setTimeout(() => document.getElementById('ansInput').focus(), 100);
  }
}

function renderMCOptions(q) {
  const container = document.getElementById('optionsContainer');
  container.innerHTML = '';
  const ans = q.answer;
  const wrongs = generateWrongs(ans, 3, q.topicKey);
  const choices = shuffle([ans, ...wrongs]);

  choices.forEach(choice => {
    const btn = document.createElement('button');
    btn.className = 'opt-btn';
    btn.textContent = typeof choice === 'number' ? choice.toLocaleString() : choice;
    btn.addEventListener('click', () => checkMCAnswer(btn, choice, ans, choices));
    container.appendChild(btn);
  });
}

function generateWrongs(ans, count, topic) {
  const wrongs = new Set();
  const numAns = parseFloat(ans);
  while (wrongs.size < count) {
    let w;
    if (typeof ans === 'string' && ans.includes('/')) {
      const parts = ans.split('/');
      w = `${rand(1, parseInt(parts[1])-1)}/${parts[1]}`;
    } else {
      const delta = Math.max(1, Math.abs(Math.round(numAns * 0.3)));
      w = numAns + rand(-delta*3, delta*3);
      if (w === numAns) w = numAns + rand(1, delta);
      w = parseFloat(w.toFixed(3));
      if (typeof ans === 'number' && Number.isInteger(ans)) w = Math.round(w);
    }
    if (w !== ans && !wrongs.has(w)) wrongs.add(w);
  }
  return [...wrongs];
}

function checkMCAnswer(btn, chosen, correct_ans, choices) {
  const allBtns = document.querySelectorAll('.opt-btn');
  allBtns.forEach(b => b.disabled = true);
  const isCorrect = String(chosen) === String(correct_ans);
  if (isCorrect) { btn.classList.add('correct'); handleCorrect(); }
  else {
    btn.classList.add('wrong');
    allBtns.forEach(b => { if (String(b.textContent.replace(/,/g,'')) === String(correct_ans)) b.classList.add('correct'); });
    handleWrong(correct_ans);
  }
  document.getElementById('nextBtn').className = 'next-btn show';
}

function submitInput() {
  const input = document.getElementById('ansInput');
  const val = input.value.trim();
  if (!val) return;
  const q = questions[currentIdx];
  const isCorrect = String(parseFloat(val) || val) === String(q.answer) || val === String(q.answer);
  input.disabled = true;
  document.getElementById('ansSubmit').disabled = true;
  if (isCorrect) handleCorrect();
  else handleWrong(q.answer);
  document.getElementById('nextBtn').className = 'next-btn show';
}

function handleCorrect() {
  streak++; correct++;
  if (streak > bestStreak) bestStreak = streak;
  const pts = 100 + (streak > 1 ? (streak-1)*20 : 0);
  score += pts; totalScore += pts; totalCorrect++;
  globalStreak++;
  updateScorebar();
  showFeedback(true, `+${pts}점! ${streak >= 3 ? '🔥 ' + streak + '연속!' : '정답입니다!'}`);
}

function handleWrong(correct_ans) {
  wrong++; streak = 0; globalStreak = 0;
  updateScorebar();
  showFeedback(false, `오답! 정답: ${typeof correct_ans === 'number' ? correct_ans.toLocaleString() : correct_ans}`);
}

function showFeedback(ok, msg) {
  const box = document.getElementById('feedbackBox');
  box.className = 'feedback-box show ' + (ok ? 'ok' : 'no');
  document.getElementById('feedbackIcon').textContent = ok ? '✅' : '❌';
  document.getElementById('feedbackText').textContent = msg;
}

function updateScorebar() {
  document.getElementById('totalScore').textContent = totalScore.toLocaleString();
  document.getElementById('totalCorrect').textContent = totalCorrect;
  document.getElementById('streak').textContent = globalStreak;
}

function nextQuestion() {
  currentIdx++;
  if (currentIdx >= questions.length) showResult();
  else loadQuestion();
}

// ===== RESULT =====
function showResult() {
  const pct = Math.round((correct / questions.length) * 100);
  let emoji = '😢', title = '다시 도전해봐요!';
  if (pct >= 90) { emoji = '🏆'; title = '완벽해요!'; }
  else if (pct >= 70) { emoji = '🎉'; title = '잘했어요!'; }
  else if (pct >= 50) { emoji = '👍'; title = '좋은 시도!'; }

  document.getElementById('resultEmoji').textContent = emoji;
  document.getElementById('resultTitle').textContent = title;
  document.getElementById('resultScore').textContent = score.toLocaleString() + '점';
  document.getElementById('resultSub').textContent = `${questions.length}문제 중 ${correct}문제 정답 (${pct}%)`;
  document.getElementById('rCorrect').textContent = correct;
  document.getElementById('rWrong').textContent = wrong;
  document.getElementById('rStreak').textContent = bestStreak;
  showScreen('resultScreen');
}


✅ Low Risk - https://mathadu-da152ee0il.edgeone.app/

Requests	IP Address	Location	AS Autonomous System
5	172.217.16.170	Singapore	AS15169
4	142.250.201.67	Singapore	AS139341
4	43.152.26.58	Singapore	Unknown
13	3	-	-

Security Scan Report: mathadu-da152ee0il.edgeone.app

Summary

AI Security Verdict

Safe Website

Safety Factors

Details

Screenshot

Page Load Overview

Language Analysis

Primary Language

Detection Details

Website Classification

Primary Category

All Detected Categories

Detected Features

Domain & IP Information

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

ssdeep (Context Triggered Piecewise Hashing)

sdhash (Similarity Digest Hashing)

Image Hashes

Perceptual Hashes

Other Hashes

Scan History