JavaScript Pure Functions - Tutorial for beginners
Pure Functions are an essential ingredient of functional programming, regardless of the language. In this video we cover the two major rules that make any function pure, benefits of pure function, as well as why some functions can't be pure. Let's have some fun yo!
This is episode 16 of 20 things Javascript Developers Should Know But Probably Don't.
00:00:00 Intro
00:01:15 What is a pure function?
00:01:52 Rule #1: Same input means same output
00:02:58 🔴 Live coding: Rule #1
00:08:37 Benefits of Rule #1
00:10:04 Testability
00:12:05 Rule #2: No side-effects
00:12:22 🔴 Live coding: Rule #2
00:15:07 Benefits of Rule #2
00:16:40 Impure functions 😱
00:18:17 Outro
ColorCode Etsy Merchandise store:
https://www.etsy.com/shop/ColorCodeStore
Full playlist here: • 20 Things JavaScript Developers Shoul...
JavaScript Promises from the series "20 Things JS Developers Should Know but Probably Don't"
by ColorCode.io, Sina Jazayeri
** Announcement **
Full JavaScript Mastery course is coming! Sign up for Early Access here:
https://www.colorcode.io/js-mastery
Watch video JavaScript Pure Functions - Tutorial for beginners online without registration, duration hours minute second in high quality. This video was added by user ColorCode 01 January 1970, don't forget to share it with your friends and acquaintances, it has been viewed on our site 13,867 once and liked it 864 people.