Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Sign up for free
Menu
Search
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Pricing
Search
Sign in
Sign up for free
javascript internationalization API
Search
Taketoshi Aono(青野健利 a.k.a brn)
August 27, 2019
Programming
980
0
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
javascript internationalization API
EcmascriptのInternationalization APIについて
Taketoshi Aono(青野健利 a.k.a brn)
August 27, 2019
More Decks by Taketoshi Aono(青野健利 a.k.a brn)
See All by Taketoshi Aono(青野健利 a.k.a brn)
document.write再考
brn
7
3.2k
Parsing Javascript
brn
14
9.6k
JSON & Object Tips
brn
1
600
CA 1Day Youth Bootcamp for Frontend LT
brn
0
1.1k
Modern TypeScript
brn
2
890
javascript - behind the scene
brn
3
820
tc39 proposals
brn
0
1k
プロダクト開発とTypeScript
brn
7
3k
React-Springでリッチなアニメーション
brn
1
780
Other Decks in Programming
See All in Programming
JPUG勉強会 OSSデータベースの内部構造を理解しよう(第2回)
oga5
0
260
LoopHub - ローカルで動く GitHub で、AI と共同開発
jugyo
1
560
仕様駆動開発による爆速プロダクト開発 / Bakusoku Spec Driven Development
kobakei
0
120
GKE で Pod の見方を変えたら、スケールアウト時の挙動を真に捉えられた話
stkk
0
130
Jetpack Compose メカニズム
skydoves
0
440
iOSDC2026登壇資料.pdf
riofujimon
0
170
変化を抱擁するドキュメントの作り方 - ビジネスルール駆動開発がもたらす、コードとの新しい関係
ioki
2
220
更なる可用性を求めて、5年間運用したKotlinのアプリケーションをGoでリプレイスする話
ken_tunc
0
300
UnityでSystem.Net.WebSocketsなWebSocketサーバが動かないのでUnity Monoのコードを覗いてみた / about implementing websocket server with unity mono
drumath2237
1
180
Kiroで創り、AgentCoreで繋ぐ!AWSで実践する「AI-DLC」から「AIエージェント統合」までの最新地図
licux
4
700
LL言語やWebフレームワークのPostgreSQL対応 〜DBの機能がユーザーに届くまで〜
kentaroutakeda
1
150
速く作れる。その次は、速く確かめられる開発へ 〜AIネイティブ開発を支える、Shift Down〜 / Can build fast. Next, moving to development where we can verify fast.
rkaga
5
3.4k
Featured
See All Featured
The Illustrated Children's Guide to Kubernetes
chrisshort
51
53k
Bioeconomy Workshop: Dr. Julius Ecuru, Opportunities for a Bioeconomy in West Africa
akademiya2063
PRO
1
360
HU Berlin: Industrial-Strength Natural Language Processing with spaCy and Prodigy
inesmontani
PRO
0
700
Applied NLP in the Age of Generative AI
inesmontani
PRO
4
2.5k
Designing for Performance
lara
611
70k
The Language of Interfaces
destraynor
162
27k
The #1 spot is gone: here's how to win anyway
tamaranovitovic
4
1.2k
DevOps and Value Stream Thinking: Enabling flow, efficiency and business value
helenjbeal
1
390
AI: The stuff that nobody shows you
jnunemaker
PRO
10
1k
Primal Persuasion: How to Engage the Brain for Learning That Lasts
tmiket
0
460
brightonSEO & MeasureFest 2025 - Christian Goodrich - Winning strategies for Black Friday CRO & PPC
cargoodrich
3
850
Conquering PDFs: document understanding beyond plain text
inesmontani
PRO
4
3.1k
Transcript
Javascript Internationalization API
Name !CSO 5BLFUPTIJ"POP੨݈ར Occupation 'SPOUFOE%FWFMPQFS1SPEVDU0XOFS Company $ZCFSBHFOU"EUFDI4UVEJP"*.FTTFOHFS OSS $POUSJCVUPSPG7
About IUUQJOGPCODI
&DNB &DNB͕&DNBͱͯ͠*OUFSOBUJPOBMJ[BUJPO"1*ͷ༷ࡦఆΛߦ͍ͬͯΔ &DNBͰ͋Δ&DNBTDSJQU +BWBTDSJQU ͕&DNBΛแ͓ͯ͠Γ &DNBTDSJQUଆʹJOͷ࣮͕ఏڙ͞ΕΔ ͪͳΈʹ+40/&DNBͰఆٛ͞Ε͓ͯΓɺ&DNBʹแ͞Ε͍ͯΔ
*OUM *OUFSOBMJ[BUJPO"1**OUMͱ͍͏άϩʔόϧΦϒδΣΫτΛެ։͓ͯ͠Γ ͦͷΦϒδΣΫτܦ༝Ͱ֤छ"1*ʹΞΫηε͢Δ͜ͱ͕Ͱ͖Δ ࠓͦͷத͔Βදతͳͭͷ"1*Λհ
*OUM$PMMBUPS
*OUM$PMMBUPS *OUM$PMMBUPSओʹจࣈྻൺֱΛߦ͏ͨΊͷ"1* ֤MPDBMFΛؾʹ͠ͳ͕Β6OJDPEFʹجͮ͘ෳࡶͳจࣈൺֱΛߦͬͯ͘ΕΔ
console.log(new Intl.Collator().compare('a', ‘c')); // → a negative value console.log(new Intl.Collator().compare('c',
'a')); // → a positive value console.log(new Intl.Collator().compare('a', 'a')); // → 0
new Intl.Collator('gr',{sensitivity: ‘base'}) .compare(‘ς', 'σ') // → 0 // ΪϦγϟޠͷγάϚจͱจதͰจࣈίʔυ͕ҟͳΔ
// CollatorΛ͏ͱɺsensitivityͷࢦఆͰൺֱͷৄࡉ Λઃఆͯ͜͠ͷΑ͏ͳෳࡶͳൺֱ͕Ͱ͖Δ
*OUM/VNCFS'PSNBU
*OUM/VNCFS'PSNBU *OUM/VNCFS'PSNBUMPDBMFʹԠͨ͡ͷॲཧΛߦ͏"1* EFDJNBMͱDVSSFODZʢ͓ۚʣͷͭʹରԠ
var number = 123456.789; // υΠπͰΧϯϚΛখɺϐϦΦυΛઍ୯Ґͷ۠Γʹ༻͍Δ console.log(new Intl.NumberFormat('de-DE').format(number)); // →
123.456,789 // ΠϯυͰthousands/lakh/crore۠Γ͕༻͍Δ console.log(new Intl.NumberFormat('en-IN').format(number)); // → 1,23,456.789 // nu֦ுΩʔʹΑΓࣈͳͲͷ൪߸ํ͕ࣜ͑Δ console.log(new Intl.NumberFormat(‘zh-Hans-CN-u-nu-hanidec') .format(number)); // → Ұೋࡾ,࢛ޒ.ࣣീ
var number = 123456.789; // ௨՟ϑΥʔϚοτΛ༻͍Δ console.log(new Intl.NumberFormat(‘de-DE', { style:
'currency', currency: 'EUR' } ).format(number)); // → 123.456,79 € console.log(new Intl.NumberFormat(‘ja-JP', { style: 'currency', currency: 'JPY' } ).format(number)); // → ˇ123,457
*OUM1MVSBM3VMFT
*OUM/VNCFS'PSNBU ୯ޠͷෳܗͷॲཧΛߦ͏"1*
var pr = new Intl.PluralRules('en-US'); pr.select(0); // → ‘other’ ෳܗ
pr.select(1); // → ‘one' ୯ܗ pr.select(2); // → ‘other' ෳܗ
const type = pr.select(count); const wordIndices = {'other': 'dogs', 'one':
'dog'}; const verbIndices = {'other': 'are', 'one': 'is'}; console.log( `Your ${indices[type]} ${verbIndices[type]} cute.` ) // count === 1 Your dog is cute. // count === 0 || count > 1 Your dogs are cute.
const ordIndices = { 'one': 'st', 'two': 'nd', 'few': 'rd',
'other': 'th' } const pr = new Intl.PluralRules('en-US', {type: ‘ordinal'} ); const ord = pr.select(3); // → few console.log(`3${ordIndices[ord]}`); // → 3rd
*OUM%BUFUJNF'PSNBU
*OUM%BUFUJNF'PSNBU MPDBMFʹԠͨ͡ͱ࣌ࠁͷॲཧΛߦ͏"1*
new Intl.DateTimeFormat('ja-JP', { year: 'numeric', month: 'long', day: 'numeric', hour:
'numeric', minute: 'numeric', second: 'numeric', hour12: false} ).format(new Date()) // → 20198݄27 16:47:50
new Intl.DateTimeFormat('ja-JP', { month: 'long', day: 'numeric', hour: 'numeric', hour12:
false} ).format(new Date()) // → 8݄27 16࣌
*OUM%BUFUJNF'PSNBU GPSNBU5P1BSUTͱ͍͏ϝιουΛ͏͜ͱͰಠࣗͷϑΥʔϚοτ࣮ݱͰ͖ Δ
new Intl.DateTimeFormat('ja-JP', { year: 'numeric', month: 'long', day: 'numeric', hour:
'numeric', minute: 'numeric', second: 'numeric', hour12: false} ).formatToParts(new Date())
[ { "type": "year", "value": "2019" }, { "type": "literal",
"value": "" }, { "type": "month", "value": "8" }, { "type": "literal", "value": "݄" }, { "type": "day", "value": "27" }, { "type": "literal", "value": " " }, { "type": "hour", "value": "16" }, { "type": "literal", "value": ":" }, { "type": "minute", "value": "57" }, { "type": "literal", "value": ":" }, { "type": "second", "value": "38" } ]
·ͱΊ *&͔Β͑ΔͷͰੋඇ͓ࢼ͠Λ