【綜合練習】數獨產生器：實作 3 - 解答 | 程式專案

{"id":576457,"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. 搭配過去課程中學過的演算法知識，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 calculateArraySum(arr) {\\n  if (arr.length === 0) return 0;\\n  const [first, ...rest] = arr;\\n  return first + calculateArraySum(rest);\\n}\\n\\nlet numbers = \\\"\\\";\\nlet sum = \\\"\\\";\\n\\nnumbers = [1, 2, 3, 4, 5];\\nsum = calculateArraySum(numbers);\\n\\nconsole.log(`Sum of array ${numbers} is ${sum}`);\\n\"}","created_at":"2023-07-28T11:37:54.327+08:00","updated_at":"2023-07-31T17:05:16.690+08:00","name":"【綜合練習】數獨產生器：實作 3 - 解答","language":"web","screenshot":{"url":null},"parent_id":576456,"plugin":"(function () {\n    if (!console) {\n        console = {};\n    }\n    var old = console.log;\n    var logger = document.getElementById('log');\n    logger.innerHTML = \"\"\n    console.log = function (message) {\n        if (typeof message == 'object') {\n            logger.innerHTML += (JSON \u0026\u0026 JSON.stringify ? JSON.stringify(message) : String(message)) + '\u003cbr /\u003e';\n        } else {\n            logger.innerHTML += message + '\u003cbr /\u003e';\n        }\n    }\n})();\n\ndocument.querySelector(\"#code\").innerHTML = `\u003cpre\u003e// 遞迴\nfunction calculateArraySum(arr) {\n  if (arr.length === 0) return 0; // 若陣列為空，回傳 0\n  const [first, ...rest] = arr; // 將陣列的第一個元素取出，其餘元素存入 rest\n  return first + calculateArraySum(rest); // 遞迴呼叫函式，將 rest 作為參數傳入，並將結果與第一個元素相加\n}\n\nlet numbers = \"\"; // 宣告變數 numbers，初始值為空字串\nlet sum = \"\"; // 宣告變數 sum，初始值為空字串\n\nnumbers = [1, 2, 3, 4, 5]; // 將數字陣列指派給 numbers 變數\nsum = calculateArraySum(numbers); // 呼叫 calculateArraySum 函式，計算 numbers 陣列的總和，並將結果指派給 sum 變數\n\nconsole.log(\\`Sum of array \\${numbers} is \\${sum}\\`); // 輸出結果，顯示陣列 numbers 的總和\n\u003c/pre\u003e`\n","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":32,"hashid":"yeysqe5gr","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}