The main problem with object length is that it can be difficult to predict how long a particular object will be. This can lead to problems when trying to allocate memory for the object, or when trying to find a specific object in memory.
The code below will return the length of an object: Object.keys(obj).length
This code will return the length of an object. Object.keys(obj) will return an array of the keys in the object, and .length will return the number of items in that array.
To create an object using the new keyword, you would use the following syntax:
var obj = new Object();
To create an object using the constructor function, you would use the following syntax:
var obj = new Object(); obj.name = “John”;
Similarly, to get the value of the property “age” on the object “john” you would use: