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
knockout.jsの紹介(オープンセミナー2017@広島)
Search
Makoto Henmi
March 02, 2017
Programming
0
480
knockout.jsの紹介(オープンセミナー2017@広島)
オープンセミナー2017@広島で発表した資料です。
knockout.jsの簡単な紹介です。
Makoto Henmi
March 02, 2017
Tweet
Share
More Decks by Makoto Henmi
See All by Makoto Henmi
ちいさくはじめるBacklog【令和最新版】
makowis
0
160
ちいさくはじめるBacklog
makowis
2
250
Firebase Hostingにシングルページアプリケーションをデプロイしてみよう #gbdaitokai
makowis
1
790
ノベルティのパッケージング
makowis
1
370
スパロボ遍歴
makowis
1
95
昔懐かしいインターネットの風物詩を最近の技術で作る話
makowis
1
4k
5分でわかるホワイトボードチャレンジ
makowis
1
770
ぼくらのかんがえたさいきょうのリモート雑談環境 #oso2018
makowis
0
1.8k
朝会をやめた話
makowis
0
5.7k
Other Decks in Programming
See All in Programming
Modern Angular with Signals and Signal Store:New Rules for Your Architecture @enterJS Advanced Angular Day 2025
manfredsteyer
PRO
0
250
オンコール⼊⾨〜ページャーが鳴る前に、あなたが備えられること〜 / Before The Pager Rings
yktakaha4
1
780
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
goyoki
5
1.1k
TypeScriptでDXを上げろ! Hono編
yusukebe
3
680
Goで作る、開発・CI環境
sin392
0
260
なぜ適用するか、移行して理解するClean Architecture 〜構造を超えて設計を継承する〜 / Why Apply, Migrate and Understand Clean Architecture - Inherit Design Beyond Structure
seike460
PRO
3
790
Python型ヒント完全ガイド 初心者でも分かる、現代的で実践的な使い方
mickey_kubo
1
180
Quand Symfony, ApiPlatform, OpenAI et LangChain s'allient pour exploiter vos PDF : de la théorie à la production…
ahmedbhs123
0
210
Railsアプリケーションと パフォーマンスチューニング ー 秒間5万リクエストの モバイルオーダーシステムを支える事例 ー Rubyセミナー 大阪
falcon8823
5
1.4k
CDK引数設計道場100本ノック
badmintoncryer
2
370
なぜ「共通化」を考え、失敗を繰り返すのか
rinchoku
1
670
High-Level Programming Languages in AI Era -Human Thought and Mind-
hayat01sh1da
PRO
0
840
Featured
See All Featured
Balancing Empowerment & Direction
lara
1
440
The Myth of the Modular Monolith - Day 2 Keynote - Rails World 2024
eileencodes
26
2.9k
For a Future-Friendly Web
brad_frost
179
9.8k
Building Applications with DynamoDB
mza
95
6.5k
Making the Leap to Tech Lead
cromwellryan
134
9.4k
Understanding Cognitive Biases in Performance Measurement
bluesmoon
29
1.8k
Designing for Performance
lara
610
69k
RailsConf 2023
tenderlove
30
1.1k
4 Signs Your Business is Dying
shpigford
184
22k
GraphQLの誤解/rethinking-graphql
sonatard
71
11k
[RailsConf 2023 Opening Keynote] The Magic of Rails
eileencodes
29
9.6k
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
357
30k
Transcript
knockout.jsͷհ 2017/2/25 Φʔϓϯηϛφʔ2017@ౡ ҳݟ (@mako_wis)
ࣗݾհ w ҳݟ ΜΈ·͜ͱ w 5XJUUFS!NBLP@XJT w גࣜձࣾΫϨΦϑʔΨ w
ϑϩϯταʔόʔαΠυΤϯδχ ΞɾจষνΣοΫ
ࠓԬࢁ͔Βདྷ·ͨ͠
ԬࢁͷίϛϡχςΟ • ԬࢁRubyίϛϡχςΟ • ԬࢁJavaϢʔβʔձ • OITEC(Okayama IT Engineers Community)
• okayama-js • தࠃํσʔλϕʔεษڧձ • ΦʔϓϯηϛφʔԬࢁ • Atlassian User Group தࠃ • ߹ಉษڧձ
knockout.jsͷհ 2017/2/25 Φʔϓϯηϛφʔ2017@ౡ ҳݟ (@mako_wis)
࠷ۙͬͯΔJSपΓͷٕज़ • TypeScript • ੩తܕ͖ݴޠͬΆ͔͚͘Δ • knockout.js • ࠓͷ
JavaScriptͰ ໘͍͘͞ͳͱࢥ͏͜ͱ
ೖྗʹԠͯ͡දࣔΛม͑Δ
ͦͷଞ͕͋ΔϑΥʔϜ
࡞Δͷ໘͍͘͞Ͱ͢ΑͶʁ
knockout.jsͩͱ
ͦͷଞϑΥʔϜ <label> ɹ<input type="radio" name="area" value="okayama" data-bind="checked: radioSelectedValue”/> Ԭࢁࢢ </label>
ɾɾɾ <label> ɹ<input type="radio" name="area" value="other" data-bind="checked: radioSelectedValue”/> ɹͦͷଞ </label> <input type="text" data-bind="enable: selectedOther" placeholder="ͦͷଞͷํ~"/> function viewModel() { var self = this; self.radioSelectedValue = ko.observable("okayama"); self.selectedOther= ko.computed(function() { return self.radioSelectedValue() == "other"; }); }; ko.applyBindings(new viewModel()); KBWB4DSJQU IUNM
ͦͷଞϑΥʔϜ <label> ɹ<input type="radio" name="area" value="okayama" data-bind="checked: radioSelectedValue”/> Ԭࢁࢢ </label>
ɾɾɾ <label> ɹ<input type="radio" name="area" value="other" data-bind="checked: radioSelectedValue”/> ɹͦͷଞ </label> <input type="text" data-bind="enable: selectedOther" placeholder="ͦͷଞͷํ~"/> function viewModel() { var self = this; self.radioSelectedValue = ko.observable("okayama"); self.selectedOther= ko.computed(function() { return self.radioSelectedValue() == "other"; }); }; ko.applyBindings(new viewModel()); KBWB4DSJQU IUNM ϥδΦϘλϯͷબ͕ಉظ
ͦͷଞϑΥʔϜ <label> ɹ<input type="radio" name="area" value="okayama" data-bind="checked: radioSelectedValue”/> Ԭࢁࢢ </label>
ɾɾɾ <label> ɹ<input type="radio" name="area" value="other" data-bind="checked: radioSelectedValue”/> ɹͦͷଞ </label> <input type="text" data-bind="enable: selectedOther" placeholder="ͦͷଞͷํ~"/> function viewModel() { var self = this; self.radioSelectedValue = ko.observable("okayama"); self.selectedOther= ko.computed(function() { return self.radioSelectedValue() == "other"; }); }; ko.applyBindings(new viewModel()); KBWB4DSJQU IUNM ͦͷଞೖྗཝͷ༗ޮແޮ੍ޚ
knockout.js ڵຯ͍͖ͯ·ͨ͠ΑͶʁ
knockout.jsͱ
ओͳಛ ˞ຊޠυΩϡϝϯτ͔ΒҾ༻ w ΤϨΨϯτͳґଘτϥοΩϯά w σʔλϞσϧ͕มߋ͞ΕΔʹɺ6*ͷؔ࿈͚ΒΕͨ෦Λߋ৽͠·͢ɻ w એݴܕόΠϯσΟϯά w σʔλϞσϧͱ6*Λؔ࿈͚ΔɺγϯϓϧͰ໌֬ͳํ๏Ͱ͢ɻෳࡶͳಈత
6*ɺόΠϯσΟϯάɾίϯςΩετΛ֊Խͤ͞Δ͜ͱͰ؆୯ʹ࡞Ͱ ͖·͢ɻ w ֦ு͕༰қ w ৽ͨͳόΠϯσΟϯάͷΈΛ࣮͢Δ͜ͱɺ࠷খݶͷίʔυྔͰ ࣮ݱͰ͖·͢ɻ
ͦͷଞͷϝϦοτ ˞ຊޠυΩϡϝϯτ͔ΒҾ༻ w ७ਮͳ+BWB4DSJQUϥΠϒϥϦͰ͋Δ w αʔόαΠυ ɹΫϥΠΞϯταΠυͷٕज़Λબͼ·ͤ Μɻ w طଘͷ8FCΞϓϦέʔγϣϯʹೖͰ͖Δ
w ΞʔΩςΫνϟʹେ͖ͳมߋΛඞཁͱ͠·ͤΜɻ w ϝΠϯετϦʔϜͷϒϥβΛαϙʔτ w *&Ҏ߱ 'JSFGPYҎ߱ $ISPNF 4BGBSJ
ࠓճͷσϞ https://makowis.github.io/ okayamajs2016/
͏ͱָͰ͖Δॴ
ೖྗΛಉظ͍ͨ͠
ೖྗΛಉظ͢Δ <input type="text" data-bind="value: message” /> <br /> <span data-bind="text:
message”></span> function TestappViewModel() { var self = this; self.message = ko.observable("Hello World!!”); }; ko.applyBindings(new TestappViewModel()); KBWB4DSJQU IUNM ೖྗ͕ಉظ
ΫϦοΫʹରͯ͠Կ͔͍ͨ͠
ΫϦοΫͰΧϯτΞοϓ <span data-bind="text: numberOfClicks”></span> ճΫϦοΫ͠·ͨ͠ <button data-bind="click: incrementClickCounter” > ΫϦοΫ͍ͯͩ͘͠͞
</button> function TestappViewModel() { var self = this; self.numberOfClicks = ko.observable(0); self.incrementClickCounter = function() { var previousCount = self.numberOfClicks(); self.numberOfClicks(previousCount + 1); }; }; ko.applyBindings(new TestappViewModel()); KBWB4DSJQU IUNM ΧϯτΛಉظ
ΫϦοΫͰΧϯτΞοϓ <span data-bind="text: numberOfClicks”></span> ճΫϦοΫ͠·ͨ͠ <button data-bind="click: incrementClickCounter” > ΫϦοΫ͍ͯͩ͘͠͞
</button> function TestappViewModel() { var self = this; self.numberOfClicks = ko.observable(0); self.incrementClickCounter = function() { var previousCount = self.numberOfClicks(); self.numberOfClicks(previousCount + 1); }; }; ko.applyBindings(new TestappViewModel()); KBWB4DSJQU IUNM ΫϦοΫ࣌ͷΠϕϯτ ΧϯτΞοϓॲཧ
ྻʹೖͬͯΔσʔλΛදࣔ
ྻͷσʔλΛग़ྗ <ul data-bind="foreach: users” > <li> <span data-bind="text: name”><span/> <span
data-bind="text: type”><span/> </li> </ul> function TestappViewModel() { var self = this; self.users = ko.observableArray([ { name: "ଠ", type: "உ" }, { name: "ೋ", type: "࣍உ" }, { name: "Ֆࢠ", type: "ঁ" } ]); }; ko.applyBindings(new TestappViewModel()); KBWB4DSJQU IUNM දࣔ༻ͷྻσʔλ
ྻͷσʔλΛग़ྗ <ul data-bind="foreach: users” > <li> <span data-bind="text: name”><span/> <span
data-bind="text: type”><span/> </li> </ul> function TestappViewModel() { var self = this; self.users = ko.observableArray([ { name: "ଠ", type: "உ" }, { name: "ೋ", type: "࣍உ" }, { name: "Ֆࢠ", type: "ঁ" } ]); }; ko.applyBindings(new TestappViewModel()); KBWB4DSJQU IUNM ྻσʔλ<li>λάҎԼΛ ܁Γฦ͠ ܁Γฦ͠෦
ྻͷσʔλΛग़ྗ <ul data-bind="foreach: users” > <li> <span data-bind="text: name”><span/> <span
data-bind="text: type”><span/> </li> </ul> function TestappViewModel() { var self = this; self.users = ko.observableArray([ { name: "ଠ", type: "உ" }, { name: "ೋ", type: "࣍உ" }, { name: "Ֆࢠ", type: "ঁ" } ]); }; ko.applyBindings(new TestappViewModel()); KBWB4DSJQU IUNM ྻͷதͱϚοϐϯά
ৄ͍͠ใ ຊޠυΩϡϝϯτͰ http://kojs.sukobuto.com/
࣮ࡍͬͯΈͯͲ͏ͳͷʁ
ݸਓతʹ͍͍ͳͱࢥͬͯΔॴ w ը໘पΓͷ੍ޚʹಛԽͯ͠Δ w $44ͷ͚ସ͑ɺදࣔΓସָ͕͑ w +BWBTDSJQU༻ͷΫϥεΛ͚ͳ͍͍ͯ͘ w 8FCϑϨʔϜϫʔΫͷྖҬͱ՞͠ͳ͍
͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠