費氏數列（概念版） | Programming Project

{"id":154684,"student_id":10,"content":"{\"html\":\"\u003c!DOCTYPE html\u003e\\n\u003chtml\u003e\\n\u003chead\u003e\\n    \u003ctitle\u003eDocument\u003c/title\u003e\\n    \u003clink rel=\\\"stylesheet\\\" href=\\\"https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css\\\"\u003e\\n    \u003cscript src=\\\"https://code.jquery.com/jquery-3.5.1.slim.min.js\\\"\u003e\u003c/script\u003e\\n\u003c/head\u003e\\n\u003cbody\u003e\\n\\n    \u003cbutton id=\\\"start\\\" class=\\\"btn btn-primary\\\"\u003e開始\u003c/button\u003e\\n    \\n    \u003cp\u003e\u003c/p\u003e\\n\\n    \u003ctable class=\\\"table\\\" id=\\\"root\\\"\u003e\\n        \u003cthead\u003e\\n            \u003ctr\u003e\\n                \u003cth scope=\\\"col\\\"\u003e天\u003c/th\u003e\\n                \u003cth scope=\\\"col\\\"\u003e兔子\u003c/th\u003e\\n            \u003c/tr\u003e\\n        \u003c/thead\u003e\\n        \u003ctbody\u003e\\n        \u003c/tbody\u003e\\n    \u003c/table\u003e\\n\\n\u003c/body\u003e\\n\u003c/html\u003e\",\"css\":\"\",\"js\":\"$('#start').click(start);\\n\\nvar arr = [0, 1, 1];\\n\\nfunction start () {\\n    var day = prompt('輸入天數？');\\n    var result = fib(day);\\n    $('p').text(`經過 ${day} 天，有 ${result} 隻兔子`);\\n    arrToTable(arr);\\n}\\n\\nfunction arrToTable (arr) {\\n    $('tbody').empty();\\n    for (var i = 0; i\u003c arr.length; i++) {\\n        $('tbody').prepend(`\\n            \u003ctr\u003e\\n                \u003ctd\u003e第 ${i} 天\u003c/td\u003e\\n                \u003ctd\u003e有 ${arr[i]} 隻兔子\u003c/td\u003e\\n            \u003c/tr\u003e\\n        `)\\n    }\\n}\\n\\nfunction fib (day) {\\n    var a = 1;\\n    var b = 1;\\n    \\n    for (var i = 3; i \u003c= day; i++) {\\n        var tmp = a + b;\\n        a = b;\\n        b = tmp;\\n        arr[i] = b;\\n    }\\n    return b;\\n}\\n\\nfunction fib (day) {\\n    if (day \u003e 2) {\\n        var r = fib(day - 1) + fib(day - 2);\\n        arr[day] = r;\\n        return r;\\n    }\\n    return 1;\\n}\"}","created_at":"2020-06-01T15:44:14.341+08:00","updated_at":"2020-06-03T18:11:20.287+08:00","name":"費氏數列（概念版）","language":"web","screenshot":{"url":"/uploads/project/screenshot/154684/c8f725cf48f361cae8bb9798cb93022a.jpg"},"parent_id":3,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":408,"hashid":"qmdsyj5n","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}