【綜合練習】數獨產生器：實作 1 - 解答 | 程式專案

{"id":576451,"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（遞迴），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 isPalindrome(str) {\\n  if (str.length \u003c= 1) return true;\\n  if (str[0] !== str[str.length - 1]) return false;\\n  return isPalindrome(str.slice(1, -1));\\n}\\n\\nlet word = \\\"\\\";\\nlet result = \\\"\\\";\\n\\nword = \\\"level\\\";\\nresult = isPalindrome(word);\\n\\nconsole.log(`\\\"${word}\\\" is ${result ? \\\"a palindrome\\\" : \\\"not a palindrome\\\"}`);\\n\"}","created_at":"2023-07-28T11:36:18.857+08:00","updated_at":"2023-07-31T16:57:41.770+08:00","name":"【綜合練習】數獨產生器：實作 1 - 解答","language":"web","screenshot":{"url":null},"parent_id":576450,"plugin":"(function () {\n    if (!console) {\n        console = {};\n    }\n    var old = console.log;\n    var logger = document.getElementById('log');\n    logger.innerHTML = \"\"\n    console.log = function (message) {\n        if (typeof message == 'object') {\n            logger.innerHTML += (JSON \u0026\u0026 JSON.stringify ? JSON.stringify(message) : String(message)) + '\u003cbr /\u003e';\n        } else {\n            logger.innerHTML += message + '\u003cbr /\u003e';\n        }\n    }\n})();\n\ndocument.querySelector(\"#code\").innerHTML = `\u003cpre\u003e// 遞迴\nfunction isPalindrome(str) {\n  if (str.length \u003c= 1) return true; // 若字串長度小於等於 1，則視為回文\n  if (str[0] !== str[str.length - 1]) return false; // 若字串的第一個字元與最後一個字元不相等，則不是回文\n  return isPalindrome(str.slice(1, -1)); // 遞迴檢查去除首尾字元後的子字串是否為回文\n}\n\nlet word = \"\"; // 宣告一個變數用於儲存字串\nlet result = \"\"; // 宣告一個變數用於儲存結果\n\nword = \"level\"; // 設定要檢查的字串\nresult = isPalindrome(word); // 呼叫 isPalindrome 函式檢查字串是否為回文\n\nconsole.log(\\`\"\\${word}\" is \\${result ? \"a palindrome\" : \"not a palindrome\"}\\`); // 輸出結果\n\u003c/pre\u003e`\n","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":30,"hashid":"wdks5qpw4","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}