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How to loop through an object in JavaScript with the Object.keys() method

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Adventurous Ant answered on June 29, 2020 Popularity 9/10 Helpfulness 4/10

answer How to loop through an object in JavaScript with the Object.keys() method

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How to loop through an object in JavaScript with the Object.keys() method

Comment

const population = {
  male: 4,
  female: 93,
  others: 10
};

let genders = Object.keys(population);

console.log(genders); // ["male","female","others"]

Popularity 9/10 Helpfulness 4/10 Language javascript

Source: www.freecodecamp.org

Tags: javascript object

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Contributed on Jul 26 2022

Adventurous Ant

0 Answers Avg Quality 2/10

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JavaScript loop through object key, value

Comment

// `for...of` loop
for (const [key, value] of Object.entries(animals)) {
    console.log(`${key}: ${value}`);
}

// `forEach()` method

Object.entries(animals).forEach(([key, value]) => {
    console.log(`${key}: ${value}`)
});

Popularity 10/10 Helpfulness 10/10 Language javascript

Source: flexiple.com

Tags: javascript j

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Contributed on Aug 25 2022

Energetic Eagle

0 Answers Avg Quality 2/10

javascript iterate through an object (key, value)

Comment

const obj = { foo: 'bar', baz: 42 };
Object.entries(obj).forEach(([key, value]) => console.log(`${key}: ${value}`)); // "foo: bar", "baz: 42"

Popularity 10/10 Helpfulness 8/10 Language javascript

Source: developer.mozilla.org

Tags: iterate

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Contributed on Oct 12 2021

Careful Cowfish

0 Answers Avg Quality 2/10

loop key in object

Comment

const fruits = { apple: 28, orange: 17 }

for(key in fruits){
	console.log(key)
}

Popularity 10/10 Helpfulness 6/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Jun 29 2020

Lucky Lapwing

0 Answers Avg Quality 2/10

how to iterate over keys in object javascript

Comment

var p = {
    "p1": "value1",
    "p2": null,
    "p3": "value3"
};

for (var key in p) {
    if (p.hasOwnProperty(key)) {
        console.log(key + " -> " + p[key]);
    }
}

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: stackoverflow.com

Tags: iterate

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Contributed on Mar 10 2021

Cloudy Capybara

0 Answers Avg Quality 2/10

js loop through object keys

Comment

for (const value of Object.values(obj)) { }

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Oct 26 2021

Fragile Fly

0 Answers Avg Quality 2/10

Object.keys() Method to Loop Through an Object in JavaScript

Comment

const person = {
    first_name: 'Monica',
    last_name: 'Geller',
    phone: '915-996-9739',
    email: 'monica37@gmail.com',
    street: '495 Grove Street',
    city: 'New York',
    country: 'USA',
};

const keys = Object.keys(person);

console.log(keys);
// ['first_name', 'last_name', 'phone', 'email', 'street', 'city', 'country'];

Popularity 9/10 Helpfulness 3/10 Language javascript

Source: www.webmound.com

Tags: javascript j

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Contributed on Sep 26 2022

Shan Thiru

0 Answers Avg Quality 2/10

for ...in statement to iterate object keys

Comment

for (let user in obj) {
  if (obj[user].online === true) {
    //code
  }
}

Popularity 9/10 Helpfulness 3/10 Language javascript

Source: forum.freecodecamp.org

Tags: iterate

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Contributed on Sep 28 2022

Arrogant Alligator

0 Answers Avg Quality 2/10

Iterate Through the Keys of an Object

Comment

// Iterate Through the Keys of an Object

const usersObj = {
  Alan: {
    online: false,
  },
  Jeff: {
    online: true,
  },
  Sarah: {
    online: false,
  },
};

function countOnline(usersObj) {
  let count = 0;
  for (let user in usersObj) {
    if (usersObj[user].online === true) count++;
  }
  return count;
}

console.log(countOnline(usersObj));

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: iterate

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Contributed on Jan 02 2022

YosKa (JoniKK)

0 Answers Avg Quality 2/10

javascript loop object key value

Comment

setUsers = function(data) {     
   // loop and init user    
}

Popularity 9/10 Helpfulness 2/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on May 30 2022

Victorious Vicuña

0 Answers Avg Quality 2/10

How to loop through an object in JavaScript with the Object.keys() method

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How to loop through an object in JavaScript with the Object.keys() method

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