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僕とprototypeとJSONで / Me and prototype down by th...
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Edward Fox
December 20, 2018
Technology
0
140
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
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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