Pure Javascript Functions
A pure function gives you the same output with the same input. The output of these functions doesn't depend upon global variables. That is, it is free from side effects.web design company in Chennai. web design company in Velachery.


advantages:

   Easy to test

    Easy to debug

    Easy to understand 

 some inbuilt javascript functions that are pure :

 map(), filter(), reduce(), concat(),etc..

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