How to get the key value from nested object

Question

I am having below object where I am trying to get all the id values.

[{
    \"type\": \"test\",
    \"id\": \"100\",
    \"values\": {
        \"name\": \"A         


        

Answer 1

Using Object.keys

function findProp(obj, prop) {
  var result = [];
  function recursivelyFindProp(o, keyToBeFound) {
    Object.keys(o).forEach(function (key) {
      if (typeof o[key] === 'object') {
        recursivelyFindProp(o[key], keyToBeFound);
      } else {
        if (key === keyToBeFound) result.push(o[key]);
      }
    });
  }
  recursivelyFindProp(obj, prop);
  return result;
}


// Testing:
var arr = [{
    "type": "test",
    "id": "100",
    "values": {
        "name": "Alpha"
    },
    "validations": []
}, {
    "type": "services",
    "validations": [{
        "id": "200",
        "name": "John",
        "selection": [{
            "id": "300",
            "values": {
                "name": "Blob"
            }
        }]
    }]
}];

console.log(findProp(arr, "id"));