Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Isomorphic JavaScript Is All Wrong

Avatar for Philipp Krenn Philipp Krenn
March 25, 2015
Programming
0
330

Isomorphic JavaScript Is All Wrong

Tongue in cheek talk about the term isomorphism and why it doesn't apply to your JavaScript code.
Avatar for Philipp Krenn

Philipp Krenn

March 25, 2015
Tweet

More Decks by Philipp Krenn

See All by Philipp Krenn
Full-Text Search Explained
Avatar for Philipp Krenn xeraa
11
2.2k
360° Monitoring of Your Microservices
Avatar for Philipp Krenn xeraa
7
3.4k
Scale Your Metrics with Elasticsearch
Avatar for Philipp Krenn xeraa
4
140
YAML Considered Harmful
Avatar for Philipp Krenn xeraa
0
2.1k
Scale Your Elasticsearch Cluster
Avatar for Philipp Krenn xeraa
1
310
Hands-On ModSecurity and Logging
Avatar for Philipp Krenn xeraa
2
190
Centralized Logging Patterns
Avatar for Philipp Krenn xeraa
1
1.1k
Dashboards for Your Management with Kibana Canvas
Avatar for Philipp Krenn xeraa
1
470
Make Your Data FABulous
Avatar for Philipp Krenn xeraa
3
890

Other Decks in Programming

See All in Programming
ISUCON研修おかわり会 講義スライド
Avatar for Yuki Yata arfes0e2b3c
1
450
XP, Testing and ninja testing
Avatar for seki at druby.org m_seki
3
250
チームのテスト力を総合的に鍛えて品質、スピード、レジリエンスを共立させる/Testing approach that improves quality, speed, and resilience
Avatar for Hiroki Iseri goyoki
5
880
生成AI時代のコンポーネントライブラリの作り方
Avatar for touyou touyou
1
220
チームで開発し事業を加速するための"良い"設計の考え方 @ サポーターズCoLab 2025-07-08
Avatar for Agata Naomichi agatan
1
420
LT 2025-06-30: プロダクトエンジニアの役割
Avatar for Keisuke Yamamoto yamamotok
0
760
The Modern View Layer Rails Deserves: A Vision For 2025 And Beyond @ RailsConf 2025, Philadelphia, PA
Avatar for Marco Roth marcoroth
1
170
すべてのコンテキストを、 ユーザー価値に変える
Avatar for Michiru Kato applism118
3
1.3k
「テストは愚直&&網羅的に書くほどよい」という誤解 / Test Smarter, Not Harder
Avatar for Munetoshi Ishikawa munetoshi
0
170
Modern Angular with Signals and Signal Store: New Rules for Your Architecture @enterJS Advanced Angular Day 2025
Avatar for Manfred Steyer manfredsteyer
PRO
0
220
テストから始めるAgentic Coding 〜Claude Codeと共に行うTDD〜 / Agentic Coding starts with testing
Avatar for r-kagaya rkaga
12
4.5k
初学者でも今すぐできる、Claude Codeの生産性を10倍上げるTips
Avatar for Oikon s4yuba
16
11k

Featured

See All Featured
Six Lessons from altMBA
Avatar for Skipper Chong Warson skipperchong
28
3.9k
Bash Introduction
Avatar for André Augusto Costa Santos 62gerente
613
210k
Let's Do A Bunch of Simple Stuff to Make Websites Faster
Avatar for Chris Coyier chriscoyier
507
140k
Build The Right Thing And Hit Your Dates
Avatar for Maggie C. maggiecrowley
36
2.8k
What’s in a name? Adding method to the madness
Avatar for Product Marketing Alliance productmarketing
PRO
23
3.5k
Refactoring Trust on Your Teams (GOTO; Chicago 2020)
Avatar for Rebecca Miller-Webster rmw
34
3.1k
Side Projects
Avatar for Sacha Greif sachag
455
42k
Fantastic passwords and where to find them - at NoRuKo
Avatar for Phil Nash philnash
51
3.3k
The Illustrated Children's Guide to Kubernetes
Avatar for Chris Short chrisshort
48
50k
Distributed Sagas: A Protocol for Coordinating Microservices
Avatar for Caitie McCaffrey caitiem20
331
22k
Improving Core Web Vitals using Speculation Rules API
Avatar for Sergey Chernyshev sergeychernyshev
18
970
Music & Morning Musume
Avatar for Bryan Veloso bryan
46
6.6k

Transcript

  1. ISOMORPHIC JS IS ALL Wrong Philipp Krenn, @xeraa

  2. None

  3. Isomorphic JavaScript apps are JavaScript applications that can run both

    client-side and server-side. The backend and frontend share the same code. — http://isomorphic.net

  4. IDEA !

  5. TERM !

  6. None

  7. The word derives from the Greek iso, meaning "equal," and

    morphosis, meaning "to form" or "to shape." — http://mathworld.wolfram.com/Isomorphism.html

  8. Formally, an isomorphism is bijective morphism. — http://mathworld.wolfram.com/Isomorphism.html

  9. Informally, an isomorphism is a map that preserves sets and

    relations among elements. "A is isomorphic to B" is written A ≅ B. — http://mathworld.wolfram.com/Isomorphism.html
  10. None

  11. MAYBE YOUR JS IS ENVIRONMENT AGNOSTIC AND THE ENVIRONMENTS ARE

    ISOMORPHIC

  12. LESS FANCY Identical JS

  13. CONCLUSION JS IS NOT ISOMORPHIC FEAR DRIVEN MATH WORKS