Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
JavaScript学園ポモドーロ科を主席で卒業するためのテクニック
Search
Masakatsu Tokita
February 22, 2023
Programming
0
5.3k
JavaScript学園ポモドーロ科を主席で卒業するためのテクニック
Masakatsu Tokita
February 22, 2023
Tweet
Share
Other Decks in Programming
See All in Programming
Gemini CLI のはじめ方
ttnyt8701
1
110
iOS開発スターターキットの作り方
akidon0000
0
210
はじめてのWeb API体験 ー 飲食店検索アプリを作ろうー
akinko_0915
0
170
効率的な開発手段として VRTを活用する
ishkawa
1
180
テストから始めるAgentic Coding 〜Claude Codeと共に行うTDD〜 / Agentic Coding starts with testing
rkaga
17
6.2k
Workers を定期実行する方法は一つじゃない
rokuosan
0
130
JetBrainsのAI機能の紹介 #jjug
yusuke
0
110
Understanding Kotlin Multiplatform
l2hyunwoo
0
230
The Modern View Layer Rails Deserves: A Vision For 2025 And Beyond @ RailsConf 2025, Philadelphia, PA
marcoroth
2
830
AI Ramen Fight
yusukebe
0
120
Prompt Engineeringの再定義「Context Engineering」とは
htsuruo
0
110
MySQL9でベクトルカラム登場!PHP×AWSでのAI/類似検索はこう変わる
suguruooki
1
250
Featured
See All Featured
The Web Performance Landscape in 2024 [PerfNow 2024]
tammyeverts
8
720
Why Our Code Smells
bkeepers
PRO
337
57k
It's Worth the Effort
3n
185
28k
Navigating Team Friction
lara
187
15k
Design and Strategy: How to Deal with People Who Don’t "Get" Design
morganepeng
130
19k
StorybookのUI Testing Handbookを読んだ
zakiyama
30
5.9k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
47
9.6k
Build your cross-platform service in a week with App Engine
jlugia
231
18k
RailsConf 2023
tenderlove
30
1.2k
VelocityConf: Rendering Performance Case Studies
addyosmani
332
24k
Fireside Chat
paigeccino
37
3.5k
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
irinanazarova
8
850
Transcript
JavaScriptֶԂϙϞυʔϩՊΛ ओ੮Ͱଔۀ͢ΔͨΊͷςΫχοΫ @ϋʔυϧܹLTେձοʂ 2023-02-22 @Tokky0425
1992 େҪڝഅͷഅখͰੜ 2005 ๏ࣉࢠΛసʑͱ͠ͳ͕ΒॳڭҭΛ 2008 ொాࢢཱϞϯϋϯ௮͚தֶߍΛଔۀ 2011 ࢲཱJavaScriptֶԂߴߍϙϞυʔϩՊΛओ੮ଔۀ 2012 7ؒͷਭ
(τΠϨٳܜͳ͠) 2019 SmartHRʹೖࣾɺݱࡏʹࢸΔ ུྺ 👈 ͜Ε
ओ੮ଔۀͷ伴ͱͳͬͨϙϞυʔϩλΠϚʔͷ ࣮ͷίπΛ͓͑͠·͢ɻ
ͪͳΈʹ... 25࡞ۀɺ5ٳܜͷαΠΫϧΛ܁Γฦ͢͜ͱͰɺ ूதͯ͠࡞ۀΛߦ͏ϙϞυʔϩςΫχοΫͱ͍͏ͷ͕ଘࡏ͠·͢ɻ ϙϞυʔϩλΠϚʔͱ͍͏ͷɺϙϞυʔϩςΫχοΫͰ͏ λΠϚʔ (ཁΧϯτμϯλΠϚʔ) ͷ͜ͱͰ͢ɻ
ૉʹλΠϚʔΛ࣮ͨ͠߹
ѱ͘ͳ͍Ͱ͕͢ɺ͜Εʹͪΐͬͱ͕ͨ͋͠Γ·͢ɻ
ͣΕΔɻ
ͱʹ͔ͣ͘ΕΔʂ
ผλϒผΞϓϦέʔγϣϯͰ࡞ۀ͍ͯ͠Δͱɺ λΠϚʔ͕αϘΓ࢝Ί͕ͯ࣌ؒͣΕ͍͖ͯ·͢ɻ ຊ60ඵܦͬͯΔͷʹ40ඵ͔͠ܦͬͯͳ͍͜ͱʹͳͬͯͨΓ...
Whyʁ🤷
ϝΠϯεϨουΛແବʹઐ༗͠ͳ͍ͨΊʹɺ ΞΫςΟϒͰͳ͍λϒͷ JavaScript ࣮ߦ͕ؒҾ͔Εͯ͠·͏ɻ
Web Worker Λ͓͏ʂ
Web Worker ͷεϨουϝΠϯεϨουͱผͳͷͰɺ ॲཧ͕ؒҾ͔Εͳ͘ͳΔ ઈରʹαϘΒͳ͍ Web Worker ͞Μ
main.js worker.js
Web Worker Λͬͯ setInterval ͷॲཧΛ ϝΠϯεϨου͔ΒΓ͢ͱɺ ʮઈରαϘΒͳ͍λΠϚʔʯ͕࡞ΕΔʂ ݁
λΠϚʔΞϓϦΛ࡞͍ͬͯΔਓࢀߟʹͯ͠ω😘
͓ΘΓ