Js object length undefined

You can simply use the Object. keys() method along with the length property to get the length of a JavaScript object . The Object. keys() method returns an array of a given object’s own enumerable property names, and the length property returns the number of elements in that array.

Method 1: Using the Object. The length property is used to get the number of keys present in the object . It gives the length of the object. Syntax: objectLength = Object.keys(exampleObject).length.26 Tem 2021

A good way of estimating a length is to measure it with part of your body:

The length of an object is its extended dimension, that is, its longest side . For example, the length of the ruler in the picture is 15 cm.