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JavaScript - get json object length

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Created by:
Evania
464

In this article, we would like to show you how to get JSON length in JavaScript.

The below example shows how to use Object.keys() method to get an array of our json object properties and count them with .length property.

Note: In this solution we only get the number of JSON object properties.

Practical example:

// ONLINE-RUNNER:browser;

var json = { 'one': 1, 'two': 2, 'three': 3 };

var jsonLength = Object.keys(json).length;
console.log(jsonLength);

Output:

3

References

Alternative titles

  1. Javascript - get json size
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