Any way to find deep string in a object? [duplicate]

Question

const object = { card: { bank: { id: '123' } } };

I need to know if '123' exists in object. Any way to do that? Thanks!

also Finding value in deep nested array of object, recursively, javascript and How to find the key of a value in a nested object recursively — pilchard
– pilchard, Commented Apr 29, 2022 at 20:09

Asplund · Accepted Answer · 2022-04-29 20:12:31Z

2

You can use recursion and Array.some to search deeply for the value

const deepExists = (obj, query) =>
  Object.values(obj).some(v => typeof v === "object" ?
    deepExists(v, query) :
    v === query
  );
  
console.log(deepExists({ card: { bank: { id: "123" }}}, "123"));

answered Apr 29, 2022 at 20:12

Asplund

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1 Comment

silvergraphs Over a year ago

Very useful! i'm learning and I did not know the recursion, I will be investigating it. Thank you!!

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