Carsten Behrens • 8/26/2019

Pure Functions for Dummies

Read Original

This article introduces the concept of pure functions in JavaScript, defining them as functions with no side effects that always return the same output for the same input. It provides clear examples contrasting pure and impure functions and details key advantages such as easier testing, portability, memoization, and simpler refactoring.

0 comments
#JavaScript #functional programming #side effects
Pure Functions for Dummies

Comments

No comments yet

Be the first to share your thoughts!

Browser Extension

Get instant access to AllDevBlogs from your browser

Top of the Week

1
Quoting Thariq Shihipar
Simon Willison • 2 votes
2
Top picks — 2026 January
Paweł Grzybek • 1 votes
3
In Praise of –dry-run
Henrik Warne • 1 votes
4
Deep Learning is Powerful Because It Makes Hard Things Easy - Reflections 10 Years On
Ferenc Huszár • 1 votes
5
Vibe coding your first iOS app
William Denniss • 1 votes
6
AGI, ASI, A*I – Do we have all we need to get there?
John D. Cook • 1 votes