內建排序練習副本 | JavaScript 程式專案

{"id":128787,"student_id":1874,"content":"/*****************************************************\n                        練習一\n*****************************************************/\n//var arr = [3, 6, 2, 8, 1, 5, 0, 7, 9, 4];\n//console.log('排序後：' + arr);\n//arr.sort(function (a, b) {\n//   return a - b;\n//});\n//console.log('排序前：' + arr);\n\n/*****************************************************\n                        練習二\n*****************************************************/\n// 目標：將年紀從小排到大並印出\n//var students = [\n//    { name: '大衛', age: 24 },\n//    { name: '莉莉', age: 17 },\n//    { name: '艾蓮', age: 18 },\n//    { name: '阿伯', age: 30 },\n//    { name: '威廉', age: 23 },\n//    { name: '凱文', age: 15 },\n//    { name: '朵莉絲', age: 22 }\n//];\n//console.log('排序前：' + JSON.stringify(students, null, 4));\n////印出完整物件\n//students.sort(function(a,b){\n//    return a.age-b.age;\n//});\n//console.log('排序後：' + JSON.stringify(students, null, 4));\n\nvar quiz1=[4,5,6,2,5,2,3];\nvar quiz2=[{a:87,b:35},{a:11,b:25},{a:44,b:21}];\n\nconsole.log('排序前'+quiz1);\nquiz1.sort(function(a,b){\n    return a-b;\n});\nconsole.log('排序後'+quiz1);\n\nconsole.log('排序前：' + JSON.stringify(quiz2, null, 4));\nquiz2.sort(function(a,b){\n    return a.a-b.a;\n});\nconsole.log('排序後：' + JSON.stringify(quiz2, null, 4));\n","created_at":"2020-02-22T16:11:27.802+08:00","updated_at":"2020-02-22T17:17:13.526+08:00","name":"內建排序練習 副本","language":"javascript","screenshot":{"url":"https://cdn8.koding.school/uploads/project/screenshot/128787/fd1ac05835b665cf0d7e3c5532c7c2d7.jpg"},"parent_id":31717,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":78,"hashid":"d5ms45wj","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}