# Shallow Comparison(Primitive Values)

Shallow comparison is when the properties of the objects being compared is done using "===" , for Example when we compare the previousprops and nextprops in React component , if there are equal nothing is rendered.

The Shallow comparison is when you compare the primitive values like
numbers , boolean , Strings . undefined and null are additional primitive types.

Note: Function , Objects and Array are a **reference** types not primitive (unprimitive).

more info : [https://academind.com/tutorials/reference-vs-primitive-values](Link)


![Screenshot (263).png](https://cdn.hashnode.com/res/hashnode/image/upload/v1658320852523/8e3whPICD.png align="left")