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/

Transcript

1. ๻ͱprototypeͱJSONͰ Edward Fox 2018/12/20 @We Are JavaScripters! #27
2. @edwardkenfox Edward Fox ɾWEBΤϯδχΞ @ Reproגࣜձࣾ ɾWEBʗϒϥ΢βٕज़શൠɺPWA ɾΫϥϑτϏʔϧɺԻָɺόεέ
3. https://pmctvline2.files.wordpress.com/2014/04/friday-the-13th-dw.jpg ࠓ೔͸JSONͷා͍࿩͠·͢ ʢ࣮࿩Ͱ͢ʣ
4. ීஈͷۀ຿ = ReproͷWeb SDKͷ։ൃ + อक = ৭ʑͳαΠτͰಈ͘ίʔυΛॻ͘
5. ৭ʑͳαΠτͰಈ͘ ίʔυΛॻ͍͍ͯΔͱ ࣌ʹحոͳ৔໘ʹૺ۰͠·͢
6. ͱΓ͋͑ͣݟ͍ͯͩ͘͞
7. 2008೥ʹ։ઃ͞Εͨ ϑΝογϣϯܥECαΠτ
8. ΠέͯΔαΠτ͸ ΠέͯΔϑϨʔϜϫʔΫΛ࢖͏
9. 2008೥౰࣌࠷΋ΠέͯΔ ϑϨʔϜϫʔΫ = prototype.js
 ʢҟ࿦͸ೝΊ·͢ʣ
10. http://prototypejs.org
11. ΦϒδΣΫτͷϓϩτλΠϓʹ উखʹ ྑ͍ײ͡ʹؔ਺Λੜ΍ͯ͠ ྑ͍ײ͡ͷAPIΛఏڙͯ͘͠ΕΔ
12. ͡Ό͋Ұମ prototype.js ͕ ͳʹΛͨͬͯ͠ݴ͏Μͩʂ
13. ͜͜ͰҰ୴ JSONͷ࢓༷ΛݟͯΈ·͠ΐ͏
14. https://www.ecma-international.org/ecma-262/5.1/
15. https://www.ecma-international.org/ecma-262/5.1/#sec-15.12.3
16. 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.
17. Α͏͢Δʹ
18. JSONͷதͰvalueͱͳ͍ͬͯΔ ΦϒδΣΫτʹ toJSON ͱ͍͏ ؔ਺͕ੜ͑ͯΕ͹ ͦΕΛ࢖ͬͯγϦΞϥΠζ͢Δ
19. prototype.js ʹ໭ͬͯݟͯΈΔͱ
20. Array.prototype ʹ ຊདྷ͸ଘࡏ͠ͳ͍ toJSONΛੜ΍͍ͯ͠Δʂ
21. ͔͠΋ όάͬͯΔʂ
22. ͦͯ͠ ͏ͪͷJS͕ר͖ࠐ·ΕΔʂ⚰⚰⚰
23. ແࣄࢮ๢
25. ※ 1.6.0.3 (= 2008೥ࠒ) લޙͷ όʔδϣϯͰ͔͠ى͖ͳ͍Ͱ͢
26. མͪண͍ͯݕূ
28. ਖ਼ৗಈ࡞
30. !?
31. ೋॏʹจࣈྻԽ
33. Array ʹ toJSON Λੜ΍͢ͱ ݁ՌΛ্ॻ͖Ͱ͖ͨʂ
34. ා͍࿩ɺ׬ https://www.youtube.com/watch?v=qozKDT5bYlA
35. WE ARE HIRING!
36. i
37. Fin