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JavaScript学園ポモドーロ科を主席で卒業するためのテクニック

Avatar for Masakatsu Tokita Masakatsu Tokita
February 22, 2023
Programming
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 JavaScript学園ポモドーロ科を主席で卒業するためのテクニック

Avatar for Masakatsu Tokita

Masakatsu Tokita

February 22, 2023
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Transcript

  1. JavaScriptֶԂϙϞυʔϩՊΛ ओ੮Ͱଔۀ͢ΔͨΊͷςΫχοΫ @ϋʔυϧܹ௿LTେձοʂ 2023-02-22 @Tokky0425

  2. 1992 େҪڝഅ৔ͷഅখ԰Ͱ஀ੜ 2005 ୤๏ࣉࢠ԰Λసʑͱ͠ͳ͕Βॳ౳ڭҭΛ׬਱ 2008 ொాࢢཱϞϯϋϯ௮͚தֶߍΛଔۀ 2011 ࢲཱJavaScriptֶԂߴߍϙϞυʔϩՊΛओ੮ଔۀ 2012 7೥ؒͷਭ຾

    (τΠϨٳܜͳ͠) 2019 SmartHRʹೖࣾɺݱࡏʹࢸΔ ུྺ 👈 ͜Ε

  3. ओ੮ଔۀͷ伴ͱͳͬͨϙϞυʔϩλΠϚʔͷ ࣮૷ͷίπΛ͓఻͑͠·͢ɻ

  4. ͪͳΈʹ... 25෼࡞ۀɺ5෼ٳܜͷαΠΫϧΛ܁Γฦ͢͜ͱͰɺ ूதͯ͠࡞ۀΛߦ͏ϙϞυʔϩςΫχοΫͱ͍͏΋ͷ͕ଘࡏ͠·͢ɻ ϙϞυʔϩλΠϚʔͱ͍͏ͷ͸ɺϙϞυʔϩςΫχοΫͰ࢖͏ λΠϚʔ (ཁ͸Χ΢ϯτμ΢ϯλΠϚʔ) ͷ͜ͱͰ͢ɻ

  5. ૉ௚ʹλΠϚʔΛ࣮૷ͨ͠৔߹

  6. ѱ͘ͳ͍Ͱ͕͢ɺ͜Εʹ͸ͪΐͬͱͨ͠໰୊͕͋Γ·͢ɻ

  7. ͣΕΔɻ

  8. ͱʹ͔ͣ͘ΕΔʂ

  9. ผλϒ΍ผΞϓϦέʔγϣϯͰ࡞ۀ͍ͯ͠Δͱɺ λΠϚʔ͕αϘΓ࢝Ί͕ͯ࣌ؒͣΕ͍͖ͯ·͢ɻ ຊ౰͸60ඵܦͬͯΔͷʹ40ඵ͔͠ܦͬͯͳ͍͜ͱʹͳͬͯͨΓ...

  10. Whyʁ🤷

  11. ϝΠϯεϨουΛແବʹઐ༗͠ͳ͍ͨΊʹɺ ΞΫςΟϒͰͳ͍λϒͷ JavaScript ͸࣮ߦ͕ؒҾ͔Εͯ͠·͏ɻ

  12. Web Worker Λ࢖͓͏ʂ

  13. Web Worker ͷεϨου͸ϝΠϯεϨουͱ͸ผ෺ͳͷͰɺ ॲཧ͕ؒҾ͔Εͳ͘ͳΔ ઈରʹαϘΒͳ͍ Web Worker ͞Μ

  14. main.js worker.js

  15. Web Worker Λ࢖ͬͯ setInterval ͷॲཧΛ ϝΠϯεϨου͔Β੾Γ཭͢ͱɺ ʮઈରαϘΒͳ͍λΠϚʔʯ͕࡞ΕΔʂ ݁࿦

  16. λΠϚʔΞϓϦΛ࡞͍ͬͯΔਓ͸ࢀߟʹͯ͠ω😘

  17. ͓ΘΓ