【綜合練習】破解 1A2B：實作 2 - 解答 | 程式專案

{"id":576426,"student_id":2589,"content":"{\"html\":\"\u003c!DOCTYPE html\u003e\\n\u003chtml\u003e\\n\u003chead\u003e\\n\\t\u003ctitle\u003eDocument\u003c/title\u003e\\n\u003c/head\u003e\\n\u003cbody\u003e\\n    \u003cdiv id=\\\"question\\\"\u003e\\n        \u003cp\u003e請依照以下步驟進行綜合練習：\u003c/p\u003e\\n        \u003cp\u003e1. 搭配過去學過的演算法知識（暴力破解），來閱讀練習頁面中的 JavaScript。\u003c/p\u003e\\n        \u003cp\u003e2. 修改練習頁面中的 JavaScript，讓執行後網頁上的顯示文字與下方相同。\u003c/p\u003e\\n    \u003c/div\u003e\\n    \u003cdiv id=\\\"screenshot\\\"\u003e\\n        \u003cp\u003e題目：\u003c/p\u003e\\n        \u003cdiv id=\\\"log\\\"\u003eloading...\u003c/div\u003e\\n    \u003c/div\u003e\\n    \u003cdiv id=\\\"screenshot\\\"\u003e\\n        \u003cp\u003e解答：\u003c/p\u003e\\n        \u003cdiv id=\\\"code\\\"\u003eloading...\u003c/div\u003e\\n    \u003c/div\u003e\\n\u003c/body\u003e\\n\u003c/html\u003e\",\"css\":\"* {\\n    margin: 0;\\n    padding: 0;\\n    box-sizing: border-box;\\n    font-size: 16px;\\n}\\n\\nhtml, body {\\n    width: 100%;\\n    height: 100%;\\n    background-color: #333;\\n    padding: 10px;\\n}\\n\\np {\\n    color: white;\\n    margin-bottom: 10px;\\n}\\n\\n#log {\\n    color: #03F501;\\n    padding: 10px;\\n    border: 1px solid white;\\n    border-radius: 5px;\\n}\\n\\n#code {\\n    color: #03F501;\\n    padding: 10px;\\n    border: 1px solid white;\\n    border-radius: 5px;\\n    overflow-x: scroll;\\n}\\n\\n#question {\\n    height: 130px;\\n    border: 1px solid white;\\n    padding: 20px;\\n    margin-bottom: 10px;\\n}\\n\\n#screenshot {\\n    border: 1px solid white;\\n    padding: 20px;\\n    margin-bottom: 10px;\\n}\",\"js\":\"function exclusionCrack(password) {\\n  const characters = '0123456789';\\n  let attempt = '';\\n  let attemptsCount = 0;\\n  while (attempt !== password) {\\n    attempt = generateRandomPassword(characters, password.length);\\n    attemptsCount++;\\n    \\n    if (attemptsCount % 100000 === 0) {\\n      console.log(`已嘗試 ${attemptsCount} 次`);\\n    }\\n  }\\n  console.log(`破解成功！密碼是：${attempt}`);\\n  console.log(`總共嘗試次數：${attemptsCount}`);\\n}\\n\\nfunction generateRandomPassword(characters, length) {\\n  let password = '';\\n  for (let i = 0; i \u003c length; i++) {\\n    const randomIndex = Math.floor(Math.random() * characters.length);\\n    password += characters[randomIndex];\\n  }\\n  return password;\\n}\\n\\nconst targetPassword = '1234';\\nexclusionCrack(targetPassword);\\n\"}","created_at":"2023-07-28T11:25:20.091+08:00","updated_at":"2023-07-31T14:31:33.078+08:00","name":"【綜合練習】破解 1A2B：實作 2 - 解答","language":"web","screenshot":{"url":null},"parent_id":576425,"plugin":"(function () {\n    if (!console) {\n        console = {};\n    }\n    var old = console.log;\n    var logger = document.getElementById('log');\n    logger.innerHTML = \"\"\n    console.log = function (message) {\n        if (typeof message == 'object') {\n            logger.innerHTML += (JSON \u0026\u0026 JSON.stringify ? JSON.stringify(message) : String(message)) + '\u003cbr /\u003e';\n        } else {\n            logger.innerHTML += message + '\u003cbr /\u003e';\n        }\n    }\n})();\n\ndocument.querySelector(\"#code\").innerHTML = `\u003cpre\u003e// 暴力破解密碼函式\nfunction exclusionCrack(password) {\n  const characters = '0123456789'; // 密碼可能的字符集合\n  let attempt = ''; // 嘗試的密碼\n  let attemptsCount = 0; // 嘗試次數計數器\n  while (attempt !== password) { // 當嘗試的密碼不等於目標密碼時繼續嘗試\n    attempt = generateRandomPassword(characters, password.length); // 生成一個隨機密碼\n    attemptsCount++; // 嘗試次數加1\n    \n    if (attemptsCount % 100000 === 0) { // 每100,000次輸出一次嘗試次數\n      console.log(\\`已嘗試 \\${attemptsCount} 次\\`);\n    }\n  }\n  console.log(\\`破解成功！密碼是：\\${attempt}\\`); // 破解成功，輸出破解的密碼\n  console.log(\\`總共嘗試次數：\\${attemptsCount}\\`); // 輸出總共嘗試次數\n}\n\n// 生成指定長度的隨機密碼\nfunction generateRandomPassword(characters, length) {\n  let password = '';\n  for (let i = 0; i \u003c length; i++) {\n    const randomIndex = Math.floor(Math.random() * characters.length);\n    password += characters[randomIndex];\n  }\n  return password;\n}\n\nconst targetPassword = '1234'; // 目標密碼\nexclusionCrack(targetPassword); // 呼叫暴力破解密碼函式\n\u003c/pre\u003e`\n","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":40,"hashid":"meys6rgwd","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}