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 internationalization API
Search
Taketoshi Aono(青野健利 a.k.a brn)
August 27, 2019
Programming
970
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
6
3.2k
Parsing Javascript
brn
14
9.6k
JSON & Object Tips
brn
1
590
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
DynamoDBの基礎を振り返りながらベクトル検索機能を理解する
musan
3
240
夏だ!祭りだ!祭りとはドメインモデリングでは?
ryugen04
0
440
承認済みなのに差戻しできてしまうバグ、型で潰せます
shinchit
0
120
まだ間に合う!今年の夏こそSchemeのマクロ展開器を完全理解!
omasanori
0
570
リアルな遅延を測る仕様
kota_yata
1
130
【QA Test Talk Vol.8】AI-DLC による Whole Team Approach の加速
pkshadeck
PRO
0
250
Loosening the Reins: Go Generics Get More Flexible
kuro_kurorrr
0
350
関東Kaggler会_NVIDIA_Nemotron_コンペ_振り返り
rick_ds
0
730
引き算の組織 ― アウトカムとAIに全振りするために辞めたこと ― / Organization by Subtraction
hirokiyamamoto14
PRO
0
310
ドリフトを絶対に許さない(?)CDK運用 / CDK Ops with Zero Tolerance for Drifts (?)
akihisaikeda
1
240
Jindong: Introducing Declarative Haptics in Compose Multiplatform
l2hyunwoo
0
130
【デモ】Kiroで体験する仕様駆動開発|設計からコーディングまでAIと進める開発フロー
cmkudo
0
500
Featured
See All Featured
Joys of Absence: A Defence of Solitary Play
codingconduct
1
450
Keith and Marios Guide to Fast Websites
keithpitt
413
23k
Scaling GitHub
holman
464
140k
First, design no harm
axbom
PRO
2
1.3k
Paper Plane
katiecoart
PRO
2
53k
AI: The stuff that nobody shows you
jnunemaker
PRO
9
950
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
irinanazarova
9
1.5k
sira's awesome portfolio website redesign presentation
elsirapls
0
350
Designing for Timeless Needs
cassininazir
1
460
SEO Brein meetup: CTRL+C is not how to scale international SEO
lindahogenes
1
2.8k
Art, The Web, and Tiny UX
lynnandtonic
304
22k
GitHub's CSS Performance
jonrohan
1033
470k
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