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
Vue.jsを数ヶ月使ってみて遭遇した問題とその解決策
Search
Sponsored
·
Ship Features Fearlessly
Turn features on and off without deploys. Used by thousands of Ruby developers.
→
positiveflat
May 27, 2015
Programming
4.5k
4
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
Vue.jsを数ヶ月使ってみて遭遇した問題とその解決策
Data Binding JS Night 〜データバインディングなんでもLT大会@LINEオフィス〜
positiveflat
May 27, 2015
Transcript
20 slides
Vue.jsΛϲ݄ͬͯΈͯૺ۰ͨ͠ͱͦͷղܾࡦ Data Binding JS Night ʙσʔλόΠϯσΟϯάͳΜͰLTେձ@LINEΦϑΟεʙ גࣜձࣾϓϨΠυ Yohei Noda @positiveflat
2015/05/27 https://plaid.co.jp/
ࣗݾհ ໊લ: Yohei Noda ॴଐ: גࣜձࣾϓϨΠυ twitter: @positiveflat 201412݄ʹIBMΛୀ৬ 20151݄ΑΓגࣜձࣾϓϨΠυʹjoin
ϦΞϧλΠϜWeb٬πʔϧ ͷ։ൃʢओʹϑϩϯτΤ ϯυʣ
͡Ίʹ…Vue.jsͷ؆୯ͳհ • ΠϯλϥΫςΟϒwebΠϯλʔϑΣʔεΛߏங͢ΔͨΊͷMVVM(Model, View, ViewModel) ΫϥΠΞϯτϑϨʔϜϫʔΫ • ํσʔλόΠϯσΟϯά • σΟϨΫςΟϒͱͯ͠ɺDOMͷॲཧΛΧελϚΠζͯ͠ఏڙͰ͖Δɻ
• σʔλͷఆٛDOMͷߏஙͳͲΛ·ͱΊͯɺͦͷ෦Λίϯϙʔωϯτͱͯ͠࡞ ͢Δ͜ͱ͕Ͱ͖Δɻ • ܰྔ • γϯϓϧͰֶशίετ͕͍ • ͨͩ͠…ES5४ڌͷϒϥβαϙʔτΛલఏͱ͍ͯ͠ΔͷͰɺIE8αϙʔτ֎
͡Ίʹ…Vue.jsͷ؆୯ͳհ • el • data • compiled • ready •
methods …
͡Ίʹ…Vue.jsͷ؆୯ͳհ HTML {{hoge}}ͷΑ͏ͳه๏Ͱ $data ҎԼͷϓϩύςΟʹΞΫηεՄೳ
ʮγϯϓϧͰ৭ʑ؆୯ʹ࡞Εָͯͦ͠͏ɻʯ Vue.jsͷ࠷ॳͷҹ
͔֬ʹͦ͏Ͱ͕ͨ͠ɺ ࡉ͔͍ʹͿ͔ͭΓ·ͨ͠ɻ
1. $dataʹΛͯ͠มߋ͕ݕ͞Εͳ͍ HTML JavaScript
1. $dataʹΛͯ͠มߋ͕ݕ͞Εͳ͍ [ղܾࡦ] $add, $delete (, $set)Λ͏ …ͪΌΜͱdocumentΛಡΜͰ͍ͳ͍ͱͿ͔ͭΔɻ “Due
to the limitations of ES5, Vue cannot detect properties directly added to or deleted from an Object, so use this method and vm.$delete when you need to do so.”
1. $dataʹΛͯ͠มߋ͕ݕ͞Εͳ͍ [ৄࡉ] Vue.js 0.11.*ECMAScript 5४ڌͷϒϥβΛαϙʔτ͍ͯ͠ΔͷͰɺObject ʹ͕Ճ͞Εͯݕ͞Εͳ͍ɻ௨ৗ$dataͷԼͷϓϩύςΟʹgetter/ setterΛ༩͍ͯͦ͠ΕΛVue͕ࢹ͍ͯ͠Δ͕ɺΛՃ͢Δͱ༩͞ Εͳ͍ɻ͜ͷ੍͕ͳ͘ͳΔͱɺObject.observe()ͱ͔͕͑ΔΑ͏ʹͳΔ͔ ?
# Object.observer()ɺมߋΛࢹͯ͠objectͷมߋཤྺΛอ࣋͢Δ͜ͱ͕Ͱ ͖Δ
2. $dataͷԼͷσʔλ͕େ͖͘ɾਂ͘ͳΔͱ ٸܹʹ͘ͳΔ [ৄࡉ] • 1ͷ܁Γฦ͕ͩ͠ɺVue.jsES5४ڌͷϒϥβΛαϙʔτ ͍ͯ͠ΔͨΊɺObject.observe()ΛΘͣʹɺgetter/setterΛࢹ ͍ͯ͠Δɻ • ෦తʹɺ$dataͷԼʹ͋ΔObjectͷgetter,
setterΛࢹͯ͠ __proto__ҎԼΛॻ͖͍͑ͯΔɻ • Αͬͯɺ$dataͷԼͷ͕มΘΔ͚ͩͰɺେྔͷ__proto__Λॻ͖ ͑Δ͜ͱʹͳΔͨΊ͘ͳΔɻ
2. $dataͷԼͷσʔλ͕େ͖͘ɾਂ͘ͳΔͱ ٸܹʹ͘ͳΔ ͱ͍͏͜ͱͰɺ $dataҎԼͰ͖Δ͚ͩܰͨ͘͠΄͏͕Αͦ͞͏ɻ
3. select optionͷtext͕؆୯ʹऔಘͰ͖ͳ͍ • JavaScript • html …valueͰͳ͘ɺtextͷ”ࠇ۠””ौ୩۠”Λද͍ࣔͨ͠
3. select optionͷtext͕؆୯ʹऔಘͰ͖ͳ͍ [ղܾࡦ] ؆୯ͳΞΫηεͷํ๏͕ͳ͍ͷͰɺ computedͰoptionsͷarrayͷத͔ΒஞҰݕࡧ͢Δ
4. selectͷdefault͕html͔ΒࢦఆͰ͖ͳ͍ HTML “selected”ଐੑΛ༩͢ΕΑ͔͕ͬͨɺɺ ༩Ͱ͖ͳ͍ʢoptions=“”Λ༻ͤͣʹoptionΛҰͭͣͭॻ͍ͨ߹ಉ༷ʣ
4. selectͷdefault͕html͔ΒࢦఆͰ͖ͳ͍ [ղܾࡦ] ؆୯ɻ୯७ʹɺv-modelͷʹॳظΛͨͤͯΕྑ͍
·ͱΊ • Vue.jsɺ࣮͕γϯϓϧͳׂʹ൚༻ੑ͕ߴ͍ɻ • ॳΊͷࠒʹͿ͔ͭͬͨຊհͨ͠Ґͷ͍ܰͷͰɺ׳Εͯ͠·͑ ॻ͖͍͢ɻ • ࣍ͷόʔδϣϯָ͕͠Έɻ
࠷ޙʹগ͠એ
גࣜձࣾϓϨΠυͰɺ ΤϯδχΞΛืूதͰ͢ʂ
Thank you! Yohei Noda @positiveflat
More Decks by positiveflat
See All by positiveflat
マルチプロダクト開発体制における エンジニアリングマネジメント | 野田 陽平 PLAID, Inc
positiveflat
2
830
プレイドにおけるプロダクトの国際化の取り組み | 野田 陽平 PLAID, Inc
positiveflat
6
3.1k
CXプラットフォームKARTEのプロダクト改善
positiveflat
1
1.5k
KARTEを支えるCI環境
positiveflat
1
2.3k
Other Decks in Programming
See All in Programming
Enforcing Your Architecture with Unit Tests in the AI Era (Swift Connection X)
steliosf
PRO
1
170
AI時代のIaC入門 〜なぜインフラをコードで管理したいのか?〜 / Introduction to IaC in the AI Era
akihisaikeda
6
1.5k
Railsバージョンを4倍にした話
optim
0
1k
現場と育てるRailsモデリング 〜Spreadsheetから始めたモデル設計〜
siroemk
2
1.2k
TS 7.0 で baseUrl が使えなくなった今、パスエイリアスをどうするか
bicstone
2
620
Performance Optimization With LLMs
xleitix
0
250
Claude Code ハーネスDeep Dive – 君はどこまで制御する? -
takateeen_knj
6
5.5k
GraphQL の onError と Nullability のこれから
quramy
0
210
Distance field of Julia set
kinakomoti321
0
320
PyConTW 2026 - AI Coding 不只是工具升級, 區域醫院醫療資訊系統協作開發與資訊團隊轉型實踐
cclai999
0
250
AIが実装を担う時代の「技術設計」と「チームマネジメント」
kamina_zzz
2
260
PumaからFalconに移行したRailsアプリケーションでの実践
falcon8823
0
370
Featured
See All Featured
Utilizing Notion as your number one productivity tool
mfonobong
4
640
Rebuilding a faster, lazier Slack
samanthasiow
85
9.8k
Into the Great Unknown - MozCon
thekraken
41
2.8k
世界の人気アプリ100個を分析して見えたペイウォール設計の心得
akihiro_kokubo
PRO
74
43k
Fashionably flexible responsive web design (full day workshop)
malarkey
409
67k
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
eileencodes
38
3.1k
What’s in a name? Adding method to the madness
productmarketing
PRO
24
4.2k
Thoughts on Productivity
jonyablonski
76
5.5k
WCS-LA-2024
lcolladotor
0
990
Neural Spatial Audio Processing for Sound Field Analysis and Control
skoyamalab
0
620
DBのスキルで生き残る技術 - AI時代におけるテーブル設計の勘所
soudai
PRO
68
60k
Put a Button on it: Removing Barriers to Going Fast.
kastner
60
4.6k