CODEWITHSUNDEEP
javascriptarraysarraylist
Edoardo Goffredo
Edoardo Goffredo

Reputation: 303

Get object from array of objects in Javascript

I Have this array:

 var arrayExample = [
{productId: 1, quantity: 2, name: example, description: example}, 
{productId: 1, quantity: 2, name: example, description: example}, 
{productId: 1, quantity: 2, name: example, description: example}, 
{productId: 1, quantity: 2, name: example, description: example}];

My question is

How do I get all the items of the array but taking in every object only the productId and quantity? Thus having an array that contains all the objects but only with the two values? The number of the objects of the array is variable

Result:

var arrayExampleNew = [
{productId: 1, quantity: 2}, 
{productId: 1, quantity: 2}, 
{productId: 1, quantity: 2}, 
{productId: 1, quantity: 2}];

sorry for my English

Upvotes: 0

Views: 42

Answers (2)

adeneo
adeneo

Reputation: 318302

You could just map it 

var arrayExample = [{
  productId: 1,
  quantity: 2,
  name: 'example',
  description: 'example'
}, {
  productId: 1,
  quantity: 2,
  name: 'example',
  description: 'example'
}, {
  productId: 1,
  quantity: 2,
  name: 'example',
  description: 'example'
}, {
  productId: 1,
  quantity: 2,
  name: 'example',
  description: 'example'
}];

var arr = arrayExample.map(function(item) {
    return {productId : item.productId, quantity : item.quantity }
});

console.log(arr)

Upvotes: 5

Maxx
Maxx

Reputation: 1748

ES2015:

const arrayExampleNew = arrayExample.map(({productId, quantity}) => ({productId, quantity}));

Upvotes: 1

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