作者wawalandhoho (wawaland)
看板Ajax
標題新手上路,求教大神的幫忙
時間Sat Feb 22 04:57:42 2020
是這樣的,小弟最近覺得程式語言好像很有趣,就想來自學一下,不過在練習的時候真的
是挫折重重...絞盡腦汁了一個早上還是不知道該怎麼對陣列做切割。這邊是問題
1、First, declare a variable named myArray and assign it to an empty array.
2、Now populate myArray with two strings:
Put your full name in the first string, and your favorite color in the second.
3、Next, declare a function named cutName. It should expect a parameter name.
cutName should return an array by breaking up the input string into individual
words.
4、Declare a new variable named myInfo and assign it to an empty object litera
l.
Add the following three key-value pairs to myInfo:
Key: fullName
Value: The result of calling cutName on the name string within myArray.
Key: favoriteColor
Value: The color within myArray.
Key: github
Value:If you have a github handle, enter it here as a string. If not, set this
to null instead.
我的程式是這樣的:
var myArray = ["Kobe Bryant","red"];
var github = null
function cutName(name) {
var res = myArray[0].split("");
return res;
}
var myInfo = {
fullName : cutName(myArray[0]),
favoriteColor : myArray[1],
github : github
};
console.log(myInfo);
myInfo後面兩個物件是正確的,但是名字切不出來啊!會變成Array(12)(超崩潰)!到
底為什麼系統會判定成length?有好心大神願意教導小
弟嗎?耐心看完謝謝大家
--
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※ 編輯: wawalandhoho (172.58.92.94 美國), 02/22/2020 05:08:45
推 eight0: 注意 split("") 和 split(" ") 的不同 02/22 05:51
→ wawalandhoho: 我是希望可以顯示kobe bryant兩個字就好,聽說無空 02/22 05:54
→ wawalandhoho: 格會把所有字母拆開 02/22 05:54
→ wawalandhoho: 不過發現不管有沒有空格跑出來都一樣www 02/22 05:55
推 eight0: 你是在哪開發、執行程式的? 02/22 09:57
→ brianwu1201: 按照題目要求,你的 cutName function 裡面應該要對 02/22 11:06
→ brianwu1201: 傳入的參數字串做事,而不是直接對 myArray 做動作。 02/22 11:06
→ wawalandhoho: eight0大,我是用Brackets 02/22 11:24
→ wawalandhoho: 所以brianwu大,我現在應該怎麼做呢? 02/22 11:25
→ wawalandhoho: 不好意思才剛碰JS三天,很多觀念都還沒有通 02/22 11:26
→ brianwu1201: 給你參考 02/22 11:37
→ wawalandhoho: 對,就是會變成array[2],不太了解直接對參數字串 02/22 11:39
→ wawalandhoho: 做事該怎麼寫 02/22 11:39
→ wawalandhoho: 我看一下謝謝您 02/22 11:39
→ brianwu1201: cutName should return an array by breaking up the 02/22 11:45
→ brianwu1201: input string into individual words.<— 這是你貼 02/22 11:45
→ brianwu1201: 的題目敘述。 02/22 11:45
→ brianwu1201: 字串.split 本來就會回傳陣列,你想從陣列再拼回字 02/22 12:01
→ brianwu1201: 串可以用 .join,但目標如果只是顯示字串,直接寫 my 02/22 12:01
→ brianwu1201: Array[0] 就好,不需要切割又拼回來。 02/22 12:02
→ wawalandhoho: 太好了!運行成功了!謝謝您! 02/22 12:36
→ wawalandhoho: 了解,我明白您的意思了~感謝您的幫忙~ 02/22 12:38