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
The Modern View Layer Rails Deserves: A Vision For 2025 And Beyond @ RailsConf 2025, Philadelphia, PA
marcoroth
2
400
PHPでWebSocketサーバーを実装しよう2025
kubotak
0
290
Is Xcode slowly dying out in 2025?
uetyo
1
280
猫と暮らす Google Nest Cam生活🐈 / WebRTC with Google Nest Cam
yutailang0119
0
140
PicoRuby on Rails
makicamel
2
130
Porting a visionOS App to Android XR
akkeylab
0
480
「Cursor/Devin全社導入の理想と現実」のその後
saitoryc
0
830
Google Agent Development Kit でLINE Botを作ってみた
ymd65536
2
250
Composerが「依存解決」のためにどんな工夫をしているか #phpcon
o0h
PRO
1
270
Hack Claude Code with Claude Code
choplin
4
2.2k
GPUを計算資源として使おう!
primenumber
1
120
git worktree × Claude Code × MCP ~生成AI時代の並列開発フロー~
hisuzuya
1
580
Featured
See All Featured
Understanding Cognitive Biases in Performance Measurement
bluesmoon
29
1.8k
Fantastic passwords and where to find them - at NoRuKo
philnash
51
3.3k
A designer walks into a library…
pauljervisheath
207
24k
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
stephaniewalter
281
13k
RailsConf 2023
tenderlove
30
1.1k
Building an army of robots
kneath
306
45k
The Illustrated Children's Guide to Kubernetes
chrisshort
48
50k
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
smashingmag
251
21k
A Modern Web Designer's Workflow
chriscoyier
695
190k
Embracing the Ebb and Flow
colly
86
4.7k
[RailsConf 2023] Rails as a piece of cake
palkan
55
5.7k
For a Future-Friendly Web
brad_frost
179
9.8k
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·ͨ͠