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
僕とprototypeとJSONで / Me and prototype down by th...
Search
Edward Fox
December 20, 2018
Technology
0
110
僕とprototypeとJSONで / Me and prototype down by the JSON
2018/12/20 We Are JavaScripters! @27th
https://wajs.connpass.com/event/111736/
Edward Fox
December 20, 2018
Tweet
Share
More Decks by Edward Fox
See All by Edward Fox
Priorityを制するものはローディングを制す
edwardkenfox
4
600
Lambda@Edgeを利用したサードパーティJavaScriptのカナリアリリース / Canary release using Lamdba@Edge
edwardkenfox
0
75
AWS re:Invent 2019 / Hackathon for Good 参加録
edwardkenfox
2
520
Repro basketball club
edwardkenfox
0
220
Introduction to UX Optimizer
edwardkenfox
0
86
フロントエンド開発の落とし穴 / Fallacies of Client Side Programming (2019ver)
edwardkenfox
0
280
クライアントサイド開発の落とし穴 / Fallacies of Client Side Programming
edwardkenfox
0
370
Beacon API ことはじめ 〜そしてkeepalive fetchへ〜 / Beacon API The Basics
edwardkenfox
0
1.1k
window.windowとは何か / What is window window
edwardkenfox
1
200
Other Decks in Technology
See All in Technology
dbtを中心にして組織のアジリティとガバナンスのトレードオンを考えてみた
gappy50
0
290
JuliaTokaiとJuliaLangJaの紹介 for NGK2025S
antimon2
1
120
TSのコードをRustで書き直した話
askua
2
190
Git scrapingで始める継続的なデータ追跡 / Git Scraping
ohbarye
5
500
いま現場PMのあなたが、 経営と向き合うPMになるために 必要なこと、腹をくくること
hiro93n
9
7.7k
AWSマルチアカウント統制環境のすゝめ / 20250115 Mitsutoshi Matsuo
shift_evolve
0
120
CDKのコードレビューを楽にするパッケージcdk-mentorを作ってみた/cdk-mentor
tomoki10
0
210
FODにおけるホーム画面編成のレコメンド
watarukudo
PRO
2
280
2024AWSで個人的にアツかったアップデート
nagisa53
1
110
Bring Your Own Container: When Containers Turn the Key to EDR Bypass/byoc-avtokyo2024
tkmru
0
860
Kotlin Multiplatformのポテンシャル
recruitengineers
PRO
2
150
あなたの知らないクラフトビールの世界
miura55
0
130
Featured
See All Featured
Product Roadmaps are Hard
iamctodd
PRO
50
11k
A Modern Web Designer's Workflow
chriscoyier
693
190k
I Don’t Have Time: Getting Over the Fear to Launch Your Podcast
jcasabona
30
2.1k
Done Done
chrislema
182
16k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
44
9.4k
Dealing with People You Can't Stand - Big Design 2015
cassininazir
365
25k
What’s in a name? Adding method to the madness
productmarketing
PRO
22
3.2k
Making the Leap to Tech Lead
cromwellryan
133
9k
The Power of CSS Pseudo Elements
geoffreycrofte
74
5.4k
Building Flexible Design Systems
yeseniaperezcruz
328
38k
Build The Right Thing And Hit Your Dates
maggiecrowley
33
2.5k
Chrome DevTools: State of the Union 2024 - Debugging React & Beyond
addyosmani
3
240
Transcript
ͱprototypeͱJSONͰ Edward Fox 2018/12/20 @We Are JavaScripters! #27
@edwardkenfox Edward Fox ɾWEBΤϯδχΞ @ Reproגࣜձࣾ ɾWEBʗϒϥβٕज़શൠɺPWA ɾΫϥϑτϏʔϧɺԻָɺόεέ
https://pmctvline2.files.wordpress.com/2014/04/friday-the-13th-dw.jpg ࠓJSONͷා͍͠·͢ ʢ࣮Ͱ͢ʣ
ීஈͷۀ = ReproͷWeb SDKͷ։ൃ + อक = ৭ʑͳαΠτͰಈ͘ίʔυΛॻ͘
৭ʑͳαΠτͰಈ͘ ίʔυΛॻ͍͍ͯΔͱ ࣌ʹحոͳ໘ʹૺ۰͠·͢
ͱΓ͋͑ͣݟ͍ͯͩ͘͞
2008ʹ։ઃ͞Εͨ ϑΝογϣϯܥECαΠτ
ΠέͯΔαΠτ ΠέͯΔϑϨʔϜϫʔΫΛ͏
2008࣌࠷ΠέͯΔ ϑϨʔϜϫʔΫ = prototype.js ʢҟೝΊ·͢ʣ
http://prototypejs.org
ΦϒδΣΫτͷϓϩτλΠϓʹ উखʹ ྑ͍ײ͡ʹؔΛੜͯ͠ ྑ͍ײ͡ͷAPIΛఏڙͯ͘͠ΕΔ
͡Ό͋Ұମ prototype.js ͕ ͳʹΛͨͬͯ͠ݴ͏Μͩʂ
͜͜ͰҰ୴ JSONͷ༷ΛݟͯΈ·͠ΐ͏
https://www.ecma-international.org/ecma-262/5.1/
https://www.ecma-international.org/ecma-262/5.1/#sec-15.12.3
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/stringify > If the value has a toJSON() method, it's
responsible to define what data will be serialized.
Α͏͢Δʹ
JSONͷதͰvalueͱͳ͍ͬͯΔ ΦϒδΣΫτʹ toJSON ͱ͍͏ ͕ؔੜ͑ͯΕ ͦΕΛͬͯγϦΞϥΠζ͢Δ
prototype.js ʹͬͯݟͯΈΔͱ
Array.prototype ʹ ຊདྷଘࡏ͠ͳ͍ toJSONΛੜ͍ͯ͠Δʂ
͔͠ όάͬͯΔʂ
ͦͯ͠ ͏ͪͷJS͕ר͖ࠐ·ΕΔʂ⚰⚰⚰
ແࣄࢮ
None
※ 1.6.0.3 (= 2008ࠒ) લޙͷ όʔδϣϯͰ͔͠ى͖ͳ͍Ͱ͢
མͪண͍ͯݕূ
None
ਖ਼ৗಈ࡞
None
!?
ೋॏʹจࣈྻԽ
None
Array ʹ toJSON Λੜ͢ͱ ݁ՌΛ্ॻ͖Ͱ͖ͨʂ
ා͍ɺ https://www.youtube.com/watch?v=qozKDT5bYlA
WE ARE HIRING!
i
Fin