How to sort json array in javascript?

Question

1.00/5 (1 vote)

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I have a JSON array and it looks like that:
```js

JSON

{
    _time: 30,
    _customData: {
      //some more stuff here but its not important in this case
    },
  },
  {
    _time: 5,
    _customData: {
      //some more stuff here but its not important in this case
    },
  },
  {
    _time: 20,
    _customData: {
      //some more stuff here but its not important in this case
    },
  }

```

Now Im trying to sort it so it would be like:
```

JSON

{
    _time: 5,
    _customData: {
      //some more stuff here but its not important in this case
    },
  },
  {
    _time: 20,
    _customData: {
      //some more stuff here but its not important in this case
    },
  },
  {
    _time: 30,
    _customData: {
      //some more stuff here but its not important in this case
    },
  }

```

For the last hour Ive been trying to sort it and right now I have nothing.
I would appreciate the help a lot!

What I have tried:

I tried to use a for loop and find the biggest _time value but that didn't work

Posted 6-Mar-22 7:23am

TzurS11

Updated 8-Mar-22 6:32am

PIEBALDconsult

v2

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PIEBALDconsult 8-Mar-22 12:33pm

For what purpose?

3 solutions

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OriginalGriff · Answer 1 · 2022-03-06T07:34:00

JSON is a data transfer format, it is not a data processor in any way. All it does is describe data in a language- and framework- independent way so that it can be produced by any system and read correctly on any other.

As such, it's not sortable, or even really searchable in it's native JSON - it only becomes sortable once it has been read into your specific language and framework. Until then, it is just a string! This process is called parsing

So start there: JSON.parse()[^] and once you have your data as an array of Javascript objects, sorting (and all other processing) becomes simple!

TzurS11 · Answer 2 · 2022-03-06T08:43:00

Solution 2

Solution:

json.sort(function (a, b) {
  return a._time - b._time;
});

Posted 6-Mar-22 8:43am

TzurS11

CoralSpring · Answer 3 · 2022-03-08T06:27:00

Solution 3

after ES6:

json.sort((a, b) => a._time) - b._time));

Taken from here:
Sorting an array of objects by property values[^]

Posted 8-Mar-22 6:27am

CoralSpring

Updated 8-Mar-22 6:33am