--- tags: 公益程式體驗營 - 2022 --- # 🏅 5/25(三) 每日 JS 刷題任務 - 陣列操作 ### 題目一:陣列索引 * 陣列索引,點出是第幾筆資料 ``` =JavaScript const numAry = [1,3,4,6,8]; // input 輸入 checkNum(3) checkNum(9) checkNum(83) checkNum(6) // output 位置在第2筆 false false 位置在第4筆 ``` ### 題目二:陣列相乘 * 將陣列裡面的各個陣列數字相乘 ``` =JavaScript const doubleAry = [ [1,2,3], [3,5,6], [2,2,2,2], ]; // input 輸入 callAry(doubleAry) // output "第1個陣列相乘是6,第2個陣列相乘是90,第三個陣列相乘是16" ``` ### 題目三:陣列排序 * 正序、反序設計 ``` =JavaScript const a = [1,3,4,6,8]; const b = [3,6,12]; // input 輸入 sortAry("從小到大",[8,3,1,7]) sortAry("從小到大",[99,22,11,33]) sortAry("從大到小",[7,2,33,4]) // output [1,3,7,8] [11,22,33,99] [33,7,4,2] ``` ## 回報流程 1. 將答案貼在 Codepen 並複製 Codepen 連結貼至「回報區」回報 (也可以將答案直接貼至「回報區」) ![](https://i.imgur.com/vftL5i0.png) <!-- 解答: --> 回報區 --- <!-- 0. Bingbingboom(回報範例,請使用註解回報) 答案:(可直接撰寫答案) Codepen:https://codepen.io/Bingbingboom/pen/jOBZVWq --> <!-- 1. Bruno Yu Codepen: https://codepen.io/bruno-yu/pen/eYVRmrW?editors=0011 --> <!-- 2. Noy https://codepen.io/MochiCodingPen/pen/rNJGEpZ?editors=1111 --> <!-- 3. yunyun https://codepen.io/yun_yunni/pen/dydVBao --> <!-- 4. su#7798 codepen: https://codepen.io/wc-su/pen/WNMZVvJ --> <!-- 5.IreneLee codepen:https://codepen.io/ntjtcxpt-the-animator/pen/QWQqeGV?editors=1012 --> <!-- 6.Jason Chen codepen:https://codepen.io/jason60810/pen/Jjprgmb --> <!-- 7. yuyu#6310 codepen:https://codepen.io/yuyu0905/pen/dydVxEV?editors=0012 --> <!-- 8. Chaco#2993 https://codepen.io/chaco-wang/pen/WNMZVYm?editors=1011 --> <!-- 9. 楓之聲#6945 https://codepen.io/sshane258/pen/YzeEKMg --> <!-- 10. Josh Chen#4552 codepen: https://codepen.io/hiphop825/pen/bGLYGLW?editors=0010 --> <!-- 11.Aaron803 Codepen : https://codepen.io/narrowd4c/pen/mdXqyJW --> <!-- 12.hsiuhsiu Codepen : https://codepen.io/hsiuhsiu/pen/ExQbxEr?editors=0012 --> <!-- 13. hw#0715 https://codepen.io/Lhwei/pen/eYVeYxQ --> <!-- 14. Tuhacrt#0008 Codepen: https://codepen.io/Tuhacrt/pen/gOvXbWX?editors=0011 --> <!-- 15. Cheng-Yu#1813 Codepen: https://codepen.io/ball77111/pen/NWywNgK?editors=0011 --> <!--16.Vito#7797 https://codepen.io/Vito_Yang/pen/RwQjPwy?editors=0011 --> <!-- 17. Chi Codepen: https://codepen.io/YoChi84/pen/OJQOVJa --> <!-- 18. andersonshen#4675 Codepen: https://codepen.io/luxyenni-the-bold/pen/WNMXveB --> <!-- 19. Peng https://codepen.io/peng-027/pen/QWQOwrY --> <!-- 20. KuoMin#4931 Codepen: https://codepen.io/KuoMin/pen/poadJpy --> <!-- 21. han#9437 Codepen: https://codepen.io/qnrxylcw-the-reactor/pen/LYQOEay --> <!-- 22. Chaoci#2460 Codepen: https://codepen.io/gmailchao/pen/wvyPMBP?editors=0010 --> <!-- 23. Stanley Codepen: https://codepen.io/sean_1215/pen/zYRPrXq?editors=1011 --> <!-- 24. RayChen#6088 Codepen: https://codepen.io/raychen1996/pen/KKQyKwm --> <!-- 25. lyle#8123 Codepen: https://codepen.io/tomys/pen/zYRPBpm?editors=0010 --> <!-- 26. Arista Codepen: https://codepen.io/arista-hsieh/pen/XWZzMWQ --> <!-- 27. Lina Chen Codepen: https://codepen.io/LinaChen/pen/mdXqwrb --> <!-- 28. bonnieli1414#4906 Codepen: https://codepen.io/bonnieli1414/pen/RwQjLPy?editors=0010 --> <!-- 29. 小鹿Kerwin#5730 Codepen: https://codepen.io/tkoleo84119/pen/NWywaGm?editors=0012 --> <!-- 30. SASIMI#5099 Codepen: https://codepen.io/sashimi1327/pen/OJQOOMV --> <!-- 31. Knn#0492 Codepen: https://codepen.io/Knn_84/pen/gOvXjyw --> <!-- 32. Xiang#5313 Codepen: https://codepen.io/snorlaxxu/pen/xxYPaWw?editors=0010 --> <!-- 33. Mitour#0672 codepwn: https://codepen.io/mitour/pen/ZEraVYq--> <!-- 34. Ryan Lu#3642 Codepen: https://codepen.io/ryanlu1125/pen/wvypaYL?editors=0012 --> <!-- 35.Joyce https://codepen.io/joycehuang/pen/XWZVeqN?editors=0111 --> <!-- 36.Joyce https://codepen.io/charlotte-lee/pen/RwQxxEV?editors=0012 --> <!-- 37. TaoDoris#5230 https://codepen.io/peetaoting/pen/PoQOGpO?editors=1012 --> <!-- 38. Murmurline#6969 https://codepen.io/murmurline/pen/ExQodmy --> <!-- 39. Pearlie#3536 https://codepen.io/PPcode/pen/bGLaOjL --> <!-- 40. WilliamChou#7375 https://codepen.io/williampo78/pen/KKQQyRN --> <!-- 41. 白狐 Codepen:https://codepen.io/baihu7851/pen/GRQGwJE --> <!-- 42. bakiii https://codepen.io/aki168/pen/QWQOZpe --> <!-- 43. 小金#3256 codepen: https://codepen.io/AmoGH357/pen/xxYypQq --> <!-- 44. Claire#2116 codepen:https://codepen.io/claire-chang-the-bashful/pen/YzaEdaO --> <!-- 45: huch09#1426 codepen: https://codepen.io/subarashii-huch09/pen/mdxqZQq?editors=1112 --> <!-- 46: Neuf#3083 codepen: https://codepen.io/yifanneuf/pen/NWYQyXM?editors=1111-->