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循环遍历对象. JavaScript

循环遍历对象. JavaScript

#JavaScript #环形

JavaScript

xxxxxxxxxx
 
const student = { 
    name: 'John',
    age: 20,
    hobbies: ['reading', 'games', 'coding'],
};
​
for (let key in student) { 
    let value;
​
    value = student[key];
​
    console.log(key + " - " +  value); 
}

Output result

name - John
age - 20
hobbies - ["reading", "games", "coding"]

JavaScript

xxxxxxxxxx
 
const student = { 
    name: 'John',
    age: 20,
    hobbies: ['reading', 'games', 'coding'],
};
​
for (let [key, value] of Object.entries(student)) {
    console.log(key + " - " +  value);
}

Output result

name - John
age - 20
hobbies - ["reading", "games", "coding"]

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