僕とprototypeとJSONで / Me and prototype down by the JSON

Transcript

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   ๻ͱprototypeͱJSONͰ Edward Fox 2018/12/20 @We Are JavaScripters! #27

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   @edwardkenfox Edward Fox ɾWEBΤϯδχΞ @ Reproגࣜձࣾ ɾWEBʗϒϥ΢βٕज़શൠɺPWA ɾΫϥϑτϏʔϧɺԻָɺόεέ

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   https://pmctvline2.files.wordpress.com/2014/04/friday-the-13th-dw.jpg ࠓ೔͸JSONͷා͍࿩͠·͢ ʢ࣮࿩Ͱ͢ʣ

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   ීஈͷۀ຿ = ReproͷWeb SDKͷ։ൃ + อक = ৭ʑͳαΠτͰಈ͘ίʔυΛॻ͘

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   ৭ʑͳαΠτͰಈ͘ ίʔυΛॻ͍͍ͯΔͱ ࣌ʹحոͳ৔໘ʹૺ۰͠·͢

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   ͱΓ͋͑ͣݟ͍ͯͩ͘͞

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   2008೥ʹ։ઃ͞Εͨ ϑΝογϣϯܥECαΠτ

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   ΠέͯΔαΠτ͸ ΠέͯΔϑϨʔϜϫʔΫΛ࢖͏

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   2008೥౰࣌࠷΋ΠέͯΔ ϑϨʔϜϫʔΫ = prototype.js
 ʢҟ࿦͸ೝΊ·͢ʣ

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    http://prototypejs.org

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    ΦϒδΣΫτͷϓϩτλΠϓʹ উखʹ ྑ͍ײ͡ʹؔ਺Λੜ΍ͯ͠ ྑ͍ײ͡ͷAPIΛఏڙͯ͘͠ΕΔ

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    ͡Ό͋Ұମ prototype.js ͕ ͳʹΛͨͬͯ͠ݴ͏Μͩʂ

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    ͜͜ͰҰ୴ JSONͷ࢓༷ΛݟͯΈ·͠ΐ͏

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    https://www.ecma-international.org/ecma-262/5.1/

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    https://www.ecma-international.org/ecma-262/5.1/#sec-15.12.3

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    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.
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    Α͏͢Δʹ

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    JSONͷதͰvalueͱͳ͍ͬͯΔ ΦϒδΣΫτʹ toJSON ͱ͍͏ ؔ਺͕ੜ͑ͯΕ͹ ͦΕΛ࢖ͬͯγϦΞϥΠζ͢Δ

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    prototype.js ʹ໭ͬͯݟͯΈΔͱ

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    Array.prototype ʹ ຊདྷ͸ଘࡏ͠ͳ͍ toJSONΛੜ΍͍ͯ͠Δʂ

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    ͔͠΋ όάͬͯΔʂ

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    ͦͯ͠ ͏ͪͷJS͕ר͖ࠐ·ΕΔʂ⚰⚰⚰

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    ແࣄࢮ๢

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    None
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    ※ 1.6.0.3 (= 2008೥ࠒ) લޙͷ όʔδϣϯͰ͔͠ى͖ͳ͍Ͱ͢

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    མͪண͍ͯݕূ

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    None
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    ਖ਼ৗಈ࡞

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    None
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    !?

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    ೋॏʹจࣈྻԽ

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    None
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    Array ʹ toJSON Λੜ΍͢ͱ ݁ՌΛ্ॻ͖Ͱ͖ͨʂ

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    ා͍࿩ɺ׬ https://www.youtube.com/watch?v=qozKDT5bYlA

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    WE ARE HIRING!

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    i

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    Fin