Link
Embed
Share
Beginning
This slide
Copy link URL
Copy link URL
Copy iframe embed code
Copy iframe embed code
Copy javascript embed code
Copy javascript embed code
Share
Tweet
Share
Tweet
Slide 1
Slide 1 text
jsconf.eu 2018 2018/06/20 @ Recruit Technologies
Slide 2
Slide 2 text
Twitter: @yosuke_furukawa Github: yosuke-furukawa
Slide 3
Slide 3 text
jsconf.eu 2018
Slide 4
Slide 4 text
Ұ൪໘ന͔ͬͨͷ
Slide 5
Slide 5 text
No content
Slide 6
Slide 6 text
Ұ൪໘ന͔ͬͨͷίϨ ͚ͩͲɻɻɻ
Slide 7
Slide 7 text
ৄࡉ͜͜Ͱ͠·͢
Slide 8
Slide 8 text
͓͠Ζ͔ͬͨηογϣϯ 3ͭհ EFOPҎ֎ͷ
Slide 9
Slide 9 text
No content
Slide 10
Slide 10 text
৫ͷͨΊͷഉଞతͳߦҝͷݮ Β͠ํ • ܭଌͰ͖ͳ͍ͷཧͰ͖ͳ͍ • Ͳ͏ͬͯ৫Λվળ͢Δ͔ɺͱ͍͏৫վ ળͷ • ·͔͞ JavaScript ͷΧϯϑΝϨϯεͰ৫վ ળωλΛฉ͘ͱɻɻɻ
Slide 11
Slide 11 text
No content
Slide 12
Slide 12 text
৫ͷͨΊͷഉଞతͳߦҝͷݮ Β͠ํ • ͯ͢ͷεςʔΫϗϧμʔ͕Ͳ͏ײ͡Δ͔Λ ૾ͯ͠ɺͦͷίΞόϦϡʔΛఆٛ͠ͳ͍͞ • ܭଌͰ͖ͳ͍ͷޭ͔ͨ͠Ͳ͏͔ଌΕͣɺ ͦΕʹΑͬͯݕূͰ͖ͳ͍ͷͰɺܭଌͯ͠ς ετ͠ͳ͍͞ • ςετͨ͠Βͦͷ݁ՌΛඪ४Խͯ͠Ίͳ͍͞
Slide 13
Slide 13 text
৫ͷͨΊͷഉଞతͳߦҝͷݮ Β͠ํ • ૾͢Δ͜ͱ • ఆٛ͢Δ͜ͱ • ద༻͢Δ͜ͱ • ݕূ͢Δ͜ͱ • ඪ४Խ͢Δ͜ͱ • ͜ΕΒΛܧଓతʹ࣮ࢪ͢Δ͜ͱ
Slide 14
Slide 14 text
No content
Slide 15
Slide 15 text
https://ejzimmer.github.io/event-loop-talk/#/
Slide 16
Slide 16 text
Event Loop ͬͯΑ͘ฉ͚͘Ͳ Կʁ • TaskͷཧͷͨΊͷΩϡʔʢΈ͍ͨͳΜʣ • TaskͬͯͳʹΑʁ document.body.addEventListener('keydown', (event) => { if (event.key === 'PageDown') { location.href = "/#/36"; } }); ͜͜ͷ͜ͱ
Slide 17
Slide 17 text
Event Loop ͬͯΑ͘ฉ͚͘Ͳ Կʁ
Slide 18
Slide 18 text
Event Loop ͬͯΑ͘ฉ͚͘Ͳ Կʁ • TaskͷཧͷͨΊͷΩϡʔʢΈ͍ͨͳΜʣ • TaskͬͯͳʹΑʁ document.body.addEventListener('keydown', (event) => { if (event.key === 'PageDown') { location.href = "/#/36"; } }); ͜͜ͷ͜ͱ
Slide 19
Slide 19 text
Event Loop ͬͯΑ͘ฉ͚͘Ͳ Կʁ • Πϕϯτϧʔϓʹ͍ͭͯղઆͯ͠Έͨ • ࠷ۙTaskͱ͍ͬͯsimpleͰͳ͘ɺPromise ͷmicrotaskwebworkerΛͬͨผεϨου ଘࡏ͢Δ • Node.jsͷEventLoop·ͨಛత setImmediate process.nextTick ͕͋ͬͨΓɻ
Slide 20
Slide 20 text
No content
Slide 21
Slide 21 text
No content
Slide 22
Slide 22 text
No content
Slide 23
Slide 23 text
No content
Slide 24
Slide 24 text
No content
Slide 25
Slide 25 text
TCPͷղઆ • ΊͪΌͪ͘Ό໘ന͔ͬͨɻ • Slow Start ͷղઆͱͯ͜͠ΕҎ্ແ͍͘Β͍ຊ࣭ Λଊ͑ͯͨɻ • Head of Line blocking ΛύϯέʔΩΛ৯͗ͯ͢ ৯ΒΕͳ͘ͳͬͨঢ়ଶͱදݱͯͨ͠ͷਧ͍ͨ • രস͠ͳ͕ΒݟΕͨؾ͕͢Δɻ
Slide 26
Slide 26 text
No content