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KnockjoutJS紹介
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Chihiro Naganuma
May 19, 2013
Programming
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520
KnockjoutJS紹介
KnockoutJSを調べて社内で発表してきたよ!
Chihiro Naganuma
May 19, 2013
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Transcript
KnockoutJSհ ࣾͰհ͖ͯͨͭ͠ 2013/05/15 ͳ͕͵·ͪͻΖ
ͳ͕͵·ͪͻΖ • ˏonjiro_mohyahya • Ζ͙Β· • ͍͖͞ΜFuelPHPɾɾɾ • js/Java/Ruby/CSS •
Backbone.js͖͢ʔ
ࠓͷͳ͠
KnockoutJSʹ͍ͭͯ ௐͯΈͨΑ
• KnockoutJSͬͯ͜Μͳͷɻ • observable ͱ binding • ίʔυྔগͳΊ • ϚʔΫΞοϓͷมߋͦ͢͠͏
࣍ • KnockoutJSͱ • KnockoutJS͍ํ • ͰɺͲ͏Αʁ
࣍ • KnockoutJSͱ • KnockoutJS͍ํ • ͰɺͲ͏Αʁ
http://knockoutjs.com/
• jsͷϥΠϒϥϦ • ΫϥΠΞϯταΠυMV*ϑϨʔϜϫʔΫ • MVVM Patern
• jsͷϥΠϒϥϦ • ΫϥΠΞϯταΠυMV*ϑϨʔϜϫʔΫ • MVVM Patern
ΫϥΠΞϯταΠυ MV*ͷ͓͞Β͍
• ΫϥΠΞϯτଆjsίʔυͷෳࡶԽΛͳΜ ͱ͔͢Δٕज़ͷͻͱͭ • ຊͰBackbone.js͕༗໊
JavaScript
We love jQuery!!
But...
࠷ۙͷϦονͰෳࡶͳUIΛ jQuery͚ͩͰ࡞Δͱେม
jQueryͰͷ
Πϕϯτϋϯυϥͷத Ͱ৭ʑͬͪΌ͏
• DOM͔ΒσʔλऔΓग़͠ • AjaxͰαʔόʔͱσʔλͷΓͱΓ • දࣔͷߋ৽
ྫʣhttp://www.slideshare.net/slideshow/ embed_code/15645947?startSlide=19 ʢ56ຕ͘Β͍·Ͱʣ
• “ػೳ”ͱ”දࣔ”͕ҰମʹͳΓ͕ͪ • DOMʹػೳ͕ґଘ͕ͪ͠ • “දࣔ”มߋ͞Ε͍͢෦
ʔʼมߋʹऑ͍ :-p
ɾɾɾͱ͍͏Θ͚Ͱ
ΫϥΠΞϯταΠυMVC ϑϨʔϜϫʔΫͷ಄
”දࣔ”Λ”ػೳ”͔Β ͢Δ
• ػೳModelͷ • දࣔViewͷ • ػೳࣗମViewʹͳΔ͘ґଘ͠ͳ͍
• Observer PatternΛ࠾༻ • ModelͷมߋΛEventͰ͑Δ • View͕ModelΛࢹɺDOMΛॻ͖͑ ྫʣBackbone.jsͷ࡞ઓ
Model View HTML Server Backbone.EventΛ listen HTMLͷEventΛ listen
http://todomvc.com/
࣍ • KnockoutJSͱ • KnockoutJS͍ํ • ͰɺͲ͏Αʁ
࣮ࡍͷίʔυྫʢtodomvcͷجຊ෦͚ͩʣ http://onjiro.github.io/knockout-handson/public
None
• observable • binding
“observableͳViewModel”Λ “Viewʹbind”͢Δ
• Observer PatternΛ࠾༻ • View(html)←→ViewModelؒࣗಈө KnockoutJSͷ࡞ઓ
ViewModel HTML data-bindͰ੍ޚ ko.applyBinding Λࣗಈతʹө eventϋϯυϥʔద༻ KnockoutJS ࣗಈදࣔɾߋ৽ ͜Μͳײ͔͡ͳʁ
None
None
3छྨͷobservable 3छྨͷbinding
3छྨͷobservable 3छྨͷbinding
• ko.observable • ko.computed • ko.observableArray
3छྨͷobservable 3छྨͷbinding
• ςΩετͱελΠϧ • ίϯτϩʔϧϑϩʔ • ϑΥʔϜؔ࿈
ͱ͜ΖͰ
Ajaxαϙʔτʁ
• AjaxपΓͷऔΓܾΊͳ͍ http://knockoutjs.com/documentation/json-data.html • JSONͱϞσϧؒͷมαϙʔτ ko.toJS/ko.toJSON • JSON.stringifyී௨ʹ͑Δ
࣍ • KnockoutJSͱ • KnockoutJS͍ํ • ͰɺͲ͏Αʁ
• data-bind͕Ұݟ͖͍ • Backbone.jsΑΓίʔυྔݮΓͦ͏ • ݟ௨͠Α͍ɾɾɾ͔
data-bind͕ Ұݟ͖͍
• data-bindͷཛྷ • htmlͬͯviewͳΜ͡Όͳ͍ͷʁ • text, value͍͍͚Ͳ • click, submit,
etc... • Ͳ͏ͳΜͩʁ
Backbone.jsΑΓ ίʔυྔগͳ͍
• ҎԼ͕ࣗಈͳͷ͕ޮ͍͍ͯΔ • ೖྗΛModelʹө • Modelͷߋ৽Λը໘ʹө • foreachͰͷల։
ݟ௨͠Αͦ͞͏
• htmlݟ͍͢ • js ͳ͠ͰσβΠϯΘ͔Δ • େମͷಈ͖Θ͔Δɾɾɾ͔ • ϚʔΫΞοϓͷมߋͦ͢͠͏
ࠓͷݒ೦
• ಘҙύλʔϯΛΕͨࡍʹͲ͏ͩΖ ͏ʁ
• গ͠·ͱʹͬͯΈͳ͍ͱͳΜͱ ݴ͑ͳ͍ײ • Backbone.jsΑΓෳਓͷ։ൃ ָɾɾɾ͔ͳ͊ɻɻɻ
·ͱΊ
• observableͱbinding • ίʔυྔগͳΊ • ϚʔΫΞοϓͷมߋͦ͢͠͏
• http://tnakamura.hatenablog.com/entry/20120213/knockout • http://www.slideshare.net/shibayan/knockout-11523371 • http://www.slideshare.net/hakuraipod/knockout-14911482 • http://www.adobe.com/jp/devnet/html5/articles/getting- started-with-knockoutjs.html •
http://www.slideshare.net/tricknotes/introduction-for- browser-side-mvc ࢀߟ