Question

How to iterate over object properties in JavaScript

Answer 1

const user = {
    name: "John",
    age: 46,
    city: "New York"
};
 
Object.entries(user).map(data => {
    console.log(data);
    console.log(data[0], ",", data[1]);
});

 
    
/*
run:

[ 'name', 'John' ]
name , John
[ 'age', 46 ]
age , 46
[ 'city', 'New York' ]
city , New York

*/
 
 

 

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Answer 2

const user = {
    name: "John",
    age: 46,
    city: "New York"
};
 
Object.entries(user).forEach(data => {
    console.log(data);
    console.log(data[0], ",", data[1]);
});

 
    
/*
run:

[ 'name', 'John' ]
name , John
[ 'age', 46 ]
age , 46
[ 'city', 'New York' ]
city , New York

*/
 
 

 

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Answer 3

const user = {
    name: "John",
    age: 46,
    city: "New York"
};
 
for (const data of Object.entries(user)) {
    console.log(data);
    console.log(data[0], ",", data[1]);
}

 
    
/*
run:

[ 'name', 'John' ]
name , John
[ 'age', 46 ]
age , 46
[ 'city', 'New York' ]
city , New York

*/
 
 

 

70+ SQL courses for beginners and professionals