Find value of property according to another property in array of objects

Question

I have the following problem, which I struggle to solve:

I have an array of objects, all of them have same properties but different values. I receive the value of property two and based on it to find the value of property one.

What I tried as approach is the following:

make copy of the array
compare if the value match
take the other value if it matches

But this seems quite ugly as solution.

Any other ideas?

const array =  [{
  one: 3,
  two: "some value"
}, {
  one: 7,
  two: "some other value"
}]

Can property values be repeated? However, not very clear what you're asking for — Ernesto Stifano, Sep 04 '19 at 14:48

Daniyal Lukmanov · Answer 1 · 2019-09-04T14:42:37.937

1

Use arr.find method:

const seekingValue = 'some value'

const objWithNeededVal = array.find(item => item.two === seekingValue);

const neededVal = objWithNeededVal ? objWithNeededVal.one : "";

edited Sep 04 '19 at 14:42

answered Sep 04 '19 at 14:40

Daniyal Lukmanov

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1

not sure you wanted to addd the `'` on the second line – jonatjano Sep 04 '19 at 14:41
)) You're correct. I've accidently put there a string instead of variable. – Daniyal Lukmanov Sep 04 '19 at 14:43

Find value of property according to another property in array of objects

1 Answers1