How do I find a value in a JSON block if the id is in the same array as the value?

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I would like to be able to retrieve the values in the following json block by referencing the id. I have so far been using the order they appear in to reference the value i need to get (eg. items[1].values[0].value) but this isn't great because they may change order).

I am using pure js - if that possible.

"items": [
  {
    "id": "0",
    "position": 0,
    "value": "test"
  },
  {
    "values": [
      {
        "position": 0,
        "value": "One location"
      }
    ],
    "id": "2",
    "position": 1
  }]

You can use find to search for the first match.

let obj = {"items": [{"id": "0","position": 0,"value": "test"},{"values": [{"position": 0,"value": "One location"}],"id": "2","position": 1}]}

let id = '2';
let result = obj.items.find(o => o.id === id);

console.log(result);

Reshaping JSON with jq, In brief, a JSON object is a series of key/value pairs, where keys are the This will return a list of every value at the key id within the artObjects array, If it finds multiple results, it will put them together in the same array. Today we will be addressing how to efficiently iterate on a JSON Array to see if one of the JSON objects contains a desired unique value (this technique only works with values that will be unique). A JSON Array is simply a JavaScript Array where each element is an Object, and each Object have the same keys.

You can try using array.find

var array1 = [
   {
    "id": "0",
    "position": 0,
    "value": "test"
  },
  {
    "values": [
      {
        "position": 0,
        "value": "One location"
      }
    ],
    "id": "2",
    "position": 1
  }
];

var found = array1.find(function(element) {
  return element.position === 1;
});

console.log(found);

if(found.values) {
  var subfind = found.values.find(function(element) {
    return element.position === 0;
  });
  
  console.log(subfind);
}

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Thanks - I need more practice with the .find function.

I ended up using -

items.find(o => o.id === '0').value

Working with JSON data in Parabola, JSON is a widely used data structure, and if you are interacting with API's, there is a Blob, A chunk of JSON, See above code block - that is a blob Array, A series of values or objects, comma separated, surrounded by [square brackets]. row for each ID, and now we have duplicate ID's, but with unique email addresses. Keep in mind the jQuery grep just wraps up the looping code for you. All grep is doing is looping through your array and finding matches. So - as mentioned/coded above, it's often preferable to write your own looping/matching as you can make it do exactly what you want and there's probably a slight performance benefit from not calling the jQuery object.

JSON, JavaScript Object Notation is an open standard file format, and data interchange format, that uses human-readable text to store and transmit data objects consisting of attribute–value pairs and array data types (or any other serializable value). That same year, JSON was also standardized as ISO/IEC 21778:2017. JSON Uses JavaScript Syntax. Because JSON syntax is derived from JavaScript object notation, very little extra software is needed to work with JSON within JavaScript. With JavaScript you can create an object and assign data to it, like this:

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