How to reference an Obj by a key inside of it in JS

Question

Lets say I have an array of objects:

inventory = [{name:'milk',price:4},{name:'apple',price:2}]

How could I reference the entire object that contains inventory.name = 'milk' or inventory.price = 4?

I need to reference it in order to return its index inside of the outer array.

Possible duplicate of [Javascript: How to filter object array based on attributes?](https://stackoverflow.com/questions/2722159/javascript-how-to-filter-object-array-based-on-attributes) — S. Walker, Oct 24 '17 at 22:43

score 3 · Answer 1 · edited Oct 24 '17 at 22:47

3

There are several ways, but the first is:

const obj = inventory.find(object => object.name === "milk" || object.price === 4)

or you can use findIndex

edited Oct 24 '17 at 22:47

P Varga

answered Oct 24 '17 at 22:44

stevenlacerda

score 2 · Answer 2 · answered Oct 24 '17 at 22:43

2

Seems like you are looking for Array#findIndex:

const index = inventory.findIndex(item => item.name === 'milk');

Or use Array#find if you want the actual object.

answered Oct 24 '17 at 22:43

Felix Kling

2 Answers2