Files
2021-10-27 21:47:35 +05:30

1.4 KiB

id, title, challengeType, videoUrl, forumTopicId, dashedName
id title challengeType videoUrl forumTopicId dashedName
56bbb991ad1ed5201cd392d3 刪除對象的屬性 1 https://scrimba.com/c/cDqKdTv 17560 delete-properties-from-a-javascript-object

--description--

我們同樣可以刪除對象的屬性,例如:

delete ourDog.bark;

例如:

const ourDog = {
  "name": "Camper",
  "legs": 4,
  "tails": 1,
  "friends": ["everything!"],
  "bark": "bow-wow"
};

delete ourDog.bark;

在上面代碼的最後一行中,ourDog 是這樣的:

{
  "name": "Camper",
  "legs": 4,
  "tails": 1,
  "friends": ["everything!"]
}

--instructions--

刪除 myDog 對象的 tails 屬性。 可以使用點操作符或者中括號操作符。

--hints--

應該從 myDog 中刪除 tails 屬性。

assert(typeof myDog === 'object' && myDog.tails === undefined);

不要修改 myDog 的初始化代碼。

assert(code.match(/"tails": 1/g).length > 0);

--seed--

--after-user-code--

(function(z){return z;})(myDog);

--seed-contents--

// Setup
const myDog = {
  "name": "Happy Coder",
  "legs": 4,
  "tails": 1,
  "friends": ["freeCodeCamp Campers"],
  "bark": "woof"
};

// Only change code below this line

--solutions--

const myDog = {
  "name": "Happy Coder",
  "legs": 4,
  "tails": 1,
  "friends": ["freeCodeCamp Campers"],
  "bark": "woof"
};
delete myDog.tails;