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javascript for loop on object

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Vivacious Vendace answered on February 2, 2020 Popularity 10/10 Helpfulness 5/10

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javascript for loop on object

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/Example 1: Loop Through Object Using for...in
// program to loop through an object using for...in loop

const student = { 
    name: 'John',
    age: 20,
    hobbies: ['reading', 'games', 'coding'],
};

// using for...in
for (let key in student) { 
    let value;

    // get the value
    value = student[key];

    console.log(key + " - " +  value); 
} 

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

//If you want, you can only loop through the object's
//own property by using the hasOwnProperty() method.

if (student.hasOwnProperty(key)) {
    ++count:
}

/////////////////////////////////////////

/Example 2: Loop Through Object Using Object.entries and for...of
// program to loop through an object using for...in loop

const student = { 
    name: 'John',
    age: 20,
    hobbies: ['reading', 'games', 'coding'],
};

// using Object.entries
// using for...of loop
for (let [key, value] of Object.entries(student)) {
    console.log(key + " - " +  value);
}
/Output
	name - John
	age - 20
	hobbies - ["reading", "games", "coding"]

//In the above program, the object is looped using the
//Object.entries() method and the for...of loop.

//The Object.entries() method returns an array of a given object's key/value pairs.
//The for...of loop is used to loop through an array.

//////////////////////////////////////////////////////////

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: www.programiz.com

Tags: for-loop javascript object

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Contributed on Sep 07 2021

Vivacious Vendace

0 Answers Avg Quality 2/10

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loop on objects js

Comment

for (const [key, value] of Object.entries(object)) {
  console.log(key, value);
}

Popularity 10/10 Helpfulness 10/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Aug 15 2021

Disturbed Duck

0 Answers Avg Quality 2/10

object for loop javascript

Comment

const object = { a: 1, b: 2, c: 3 };
// method 1
Object.entries(object).forEach(([key, value]) => {
    console.log(key, value)
});

//method 2
for (const key in object) {
  console.log(key, object[key])
}
// same output
// a 1
// b 2
// c 3

Popularity 10/10 Helpfulness 8/10 Language javascript

Source: Grepper

Tags: for-loop for-loo

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Contributed on May 07 2022

CodePadding

0 Answers Avg Quality 2/10

how to loop object javascript

Comment

var obj = {a: 1, b: 2, c: 3};

for (const prop in obj) {
  console.log(`obj.${prop} = ${obj[prop]}`);
}

// Salida:
// "obj.a = 1"
// "obj.b = 2"
// "obj.c = 3"

Popularity 10/10 Helpfulness 6/10 Language javascript

Source: developer.mozilla.org

Tags: javascript j

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Contributed on May 15 2020

Shy Salmon

0 Answers Avg Quality 2/10

loop through object javascript

Comment

var p = {
    "p1": "value1",
    "p2": "value2",
    "p3": "value3"
};

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

// for-of with Object.keys()
for (var key of Object.keys(p)) {
    console.log(key + " -> " + p[key])
}

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

Popularity 10/10 Helpfulness 6/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Jul 30 2020

Web Surfer

0 Answers Avg Quality 2/10

loop through object js

Comment

var obj = {
  first: "John",
  last: "Doe"
};

//
//	Visit non-inherited enumerable keys
//
Object.keys(obj).forEach(function(key) {

  console.log(key, obj[key]);

});

Popularity 10/10 Helpfulness 6/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Feb 02 2020

Slocaly

0 Answers Avg Quality 2/10

For loop in Object in JS

Comment

let English = {
    Shoaib: 70,
    Farah: 85,
    Faisal: 92,
}
for (let i = 0; i < Object.keys(English).length; i++) {
    console.log("For Name", Object.keys(English)[i])
    console.log("For Marks", English[Object.keys(English)[i]])
}
let Urdu = [10, 20, 3, 5, 64, 54,]
for (let i = 0; i < Urdu.length; i++) {
    console.log(i)

Popularity 6/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: for-loop javascript object

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Contributed on Dec 13 2023

Shoaib Dev

0 Answers Avg Quality 2/10

loop in object javascript

Comment

var person = {"name":"Rasel", age:26};

for (var property in person) {
   console.log(person[property]);
}

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: ahmedrasel.me

Tags: javascript j

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Contributed on Nov 13 2020

Lazy Locust

0 Answers Avg Quality 2/10

loop through javascript object

Comment

var p = {
    "p1": "value1",
    "p2": "value2",
    "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: javascript j

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Contributed on May 03 2020

Motionless Meerkat

0 Answers Avg Quality 2/10

loop through object javascript

Comment

for (const property in object) {
  console.log(`${property}: ${object[property]}`);
}

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Oct 11 2021

MunchDuster

0 Answers Avg Quality 2/10

javascript for loop on object

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