費氏數列（預設版） | JavaScript 程式專案

{"id":155000,"student_id":10,"content":"//迴圈版本\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    }\n    return b;\n}\n\n//遞迴版本\nfunction fib (day) {\n    if (day \u003e 2) {\n        return fib(day - 1) + fib(day - 2);\n    } else {\n        return 1; //也可以直接 return 不用寫 else   \n    }\n}\n\n//測試\nfunction test (day, answer) {\n    var result = fib(day);\n    console.log(`根據程式算出，第 ${day} 月有 ${result} 隻兔子 ${answer == result ? '答對了😃':'答錯了😡'}`);\n}\n\ntest(1, 1);\ntest(2, 1);\ntest(3, 2);\ntest(4, 3);\ntest(5, 5);\ntest(6, 8);\n\n","created_at":"2020-06-03T13:37:32.293+08:00","updated_at":"2020-06-03T18:15:24.046+08:00","name":"費氏數列（預設版）","language":"javascript","screenshot":{"url":"https://cdn1.koding.school/uploads/project/screenshot/155000/fd1ac05835b665cf0d7e3c5532c7c2d7.jpg"},"parent_id":154695,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":230,"hashid":"2pds86wd","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}