iterate over array of objects javascript

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Shan Thiru answered on June 17, 2019 Popularity 10/10 Helpfulness 5/10

answer iterate over array of objects javascript

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iterate over array of objects javascript

Comment

// Just loop through an array

const myArray = [{x:100}, {x:200}, {x:300}];

myArray.forEach((element, index, array) => {
    console.log(element.x); // 100, 200, 300
    console.log(index); // 0, 1, 2
    console.log(array); // same myArray object 3 times
});

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Source: stackoverflow.com

Tags: iterate javascript

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Contributed on Jan 02 2021

Shan Thiru

0 Answers Avg Quality 2/10

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javascript loop through object array

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var person={
 	first_name:"johnny",
  	last_name: "johnson",
	phone:"703-3424-1111"
};
for (var property in person) {
  	console.log(property,":",person[property]);
}

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Tags: iterate

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Contributed on Jul 22 2019

Grepper

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javascript loop through array of objects

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var people=[
  {first_name:"john",last_name:"doe"},
  {first_name:"mary",last_name:"beth"}
];
for (let i = 0; i < people.length; i++) { 
  console.log(people[i].first_name);
}

Popularity 10/10 Helpfulness 6/10 Language javascript

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Tags: javascript j

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Contributed on Jun 17 2019

Grepper

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javascript loop through array of objects

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let arr = [object0, object1, object2];

for (let elm of arr) {
  console.log(elm);
}

Popularity 10/10 Helpfulness 5/10 Language javascript

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Tags: javascript j

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Contributed on Jun 01 2020

garzj

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loop through array of objects javascript

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const myArray = [{x:100}, {x:200}, {x:300}];

myArray.forEach((element, index, array) => {
    console.log(element.x); // 100, 200, 300
    console.log(index); // 0, 1, 2
    console.log(array); // same myArray object 3 times
});

// Credit Shan Thiru whatever i forgot how to spell his name

Popularity 9/10 Helpfulness 5/10 Language javascript

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Tags: javascript j

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Contributed on Nov 29 2022

Adam, the developer

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loop through object in array javascript

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var cars = [{name: 'Audi'}, {name: 'BMW'}, {name: 'Ferrari'}, {name: 'Mercedes'}, {name: 'Maserati'}];

for(var i = 0; i < cars.length; i++) {
    console.log(cars[i].name);
}

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Apr 26 2020

Shan Thiru

0 Answers Avg Quality 2/10

js loop over array of objects extract value

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var myArr = [{name: 'rich', secondName: 'james'}, {name: 'brian', secondName: 'chris'}];

var mySecondArr = myArr.map(x => x.name);
console.log(mySecondArr);

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Tags: extract-value ex

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Contributed on Nov 18 2020

Ugliest Unicorn

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iterate through object array javascript

Comment

for (var key in array) {
    var obj = myArray[key];
    // ...
}

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Tags: iterate

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Contributed on Mar 12 2020

Fine Fish

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iterate over array of objects javascript

Comment

// Count the number of each category

const people = [
    {name: 'John', group: 'A'}, 
    {name: 'Andrew', group: 'C'}, 
    {name: 'Peter', group: 'A'}, 
    {name: 'James', group: 'B'}, 
    {name: 'Hanna', group: 'A'}, 
    {name: 'Adam', group: 'B'}];

const groupInfo = people.reduce((groups, person) => {
    const {A = 0, B = 0, C = 0} = groups;
    if (person.group === 'A') {
        return {...groups, A: A + 1};
    } else if (person.group === 'B') {
        return {...groups, B: B + 1};
    } else {
        return {...groups, C: C + 1};
    }
}, {});

console.log(groupInfo); // {A: 3, C: 1, B: 2}

Popularity 9/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: iterate

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Contributed on Jan 02 2021

Shan Thiru

0 Answers Avg Quality 2/10

javascript loop through array of objects

Comment

yourArray.forEach(function (arrayItem) {
    var x = arrayItem.prop1 + 2;
    console.log(x);
});

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Feb 28 2020

titonova

0 Answers Avg Quality 2/10

iterate over array of objects javascript

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