Sometimes, we want to get the number of elements in a JavaScript object.
In this article, we’ll look at how to get the number of elements in a JavaScript object.
How to get the number of elements in a JavaScript object?
To get the number of elements in a JavaScript object, we can use the Object.keys
method.
For instance, we write
const count = Object.keys(obj).length;
to call Object.keys
with obj
to get an array with the key strings in obj
.
Then we use the length
property to get the number of properties in obj
.
Conclusion
To get the number of elements in a JavaScript object, we can use the Object.keys
method.