JavaScript 更新对象属性

当你创建了一个对象后,你可以用点操作符或中括号操作符来更新对象的属性。

举个例子,让我们看看 ourDog:

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

让我们更改它的名称为 “Happy Camper”,这有两种方式来更新对象的name属性:

ourDog.name = "Happy Camper";

ourDog["name"] = "Happy Camper";

任务

更新 myDog 对象的name属性,让它的名字从 “Coder” 变成 “Happy Coder”。

// 举例
var ourDog = {
"name": "Camper",
"legs": 4,
"tails": 1,
"friends": ["everything!"]
};

ourDog.name = "Happy Camper";

// Setup
var myDog = {
"name": "Coder",
"legs": 4,
"tails": 1,
"friends": ["Free Code Camp Campers"]
};

// Only change code below this line.

myDog.name="Happy Coder";

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转载自blog.csdn.net/sinat_42483341/article/details/84592871