How to filter one element of JSON array when specific value exist in it

Question

I have const allAlertsData which is JSON array with elements as objects. I want to filter specific element of array once it's property trainId === idTrain. const idTrain is taken from useParams.

So out of whole allAlertsData, I want to filter out only element[0] if idTrain will be TLK-12345.

Can You please suggest how to filter only one element of JSON array based on matching it's specific property ?

@Manfred whilst the filter method will return the desired element, it will return it as an Array. The question specifically wanted to filter out only one element. — Sasja Vandendriessche
– Sasja Vandendriessche, Commented Apr 3, 2022 at 21:33

Sasja Vandendriessche · Accepted Answer · 2022-04-03 21:17:22Z

3

You can use the find() method of an Array:

const foundAlert = allAlertsData.find(alert => alert.trainId === trainId)

The find method will return the first element where the provided testing function evaluates truthy. (source)

answered Apr 3, 2022 at 21:17

Sasja Vandendriessche

7595 silver badges13 bronze badges

Sign up to request clarification or add additional context in comments.

Collectives™ on Stack Overflow

How to filter one element of JSON array when specific value exist in it

1 Answer 1

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

Comments

Your Answer

Sign up or log in

Post as a guest

Related