Javascript JSON string to object

Question

When I query a database, I receive a string as follows:

{
  S: '[{"firstName":"Max","lastName":"Mustermann","age":40},{"firstName":"Hagbard","lastName":"Celine","age":44},{"firstName":"Karl","lastName":"Koch","age":42}]'
}

How can I go about converting the string above to JSON objects to receive something like this:

var someData = [
  {firstName: "Max", lastName: "Mustermann", age: 40},
  {firstName: "Hagbard", lastName: "Celine", age: 44},
  {firstName: "Karl", lastName: "Koch", age: 42},
];

Would appreciate any assistance at all, thank you very much!

Hi, when I use that I get Error [SyntaxError]: Unexpected token o in JSON at position 1 — Deep
– Deep, Commented Oct 21, 2020 at 0:09
First JSON.stringify(someData) and then parse it. Seems like you're already passing a string version of a JSON object — Halmon
– Halmon, Commented Oct 21, 2020 at 0:12
@Halmon Yes, I wanted to convert that string version back to a JSON object but seem to be getting Error [SyntaxError]: Unexpected token o in JSON at position 1 while using JSON.parse(yourdata) — Deep
– Deep, Commented Oct 21, 2020 at 0:14

IvanD · Accepted Answer · 2020-10-21 00:14:38Z

1

const receivedFromDB = {
  S: '[{"firstName":"Max","lastName":"Mustermann","age":40},{"firstName":"Hagbard","lastName":"Celine","age":44},{"firstName":"Karl","lastName":"Koch","age":42}]'
};

const arrayOfData = JSON.parse(receivedFromDB.S);

console.log(arrayOfData);

answered Oct 21, 2020 at 0:14

IvanD

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1 Comment

Deep Over a year ago

Thank you very much! Works perfect, I was missing the '.S'. I am waiting to accept your answer in 2 mins time :)

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