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JavaScript over HTTP2
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Yuki Ishikawa
May 08, 2016
Technology
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49
JavaScript over HTTP2
Kyoto.js #10
https://kyotojs.doorkeeper.jp/events/42568
Yuki Ishikawa
May 08, 2016
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Transcript
JavaScript over HTTP/2 2016.05.08 Kyoto.js #10
@hoto17296
None
None
2016 . 04 . 26
Node.js v6.0.0 Released ! • ES2015 Support: 58% → 96%
!!! IUUQOPEFHSFFO
Babel ࣺͯͨ͘ͳ͍Ͱ͔͢ • ॏ͍ • Ϗϧυڥ࡞Δͷμϧ͍
ͦΖͦΖ "Ϗϧυ" ͱ͔͍͏֓೦ ࣺ͍ͯͨ
ࢀߟɿ Α͋͘ΔϏϧυͷਤ KTY KT KT DTT TDTT TUZM CVOEMFKT JNBHF
5SBOTQJMF CVOEMF PQUJNJ[F
ͳͥϏϧυ͕ඞཁ͔ • ϒϥβͷ • ES2015 / AltJS ಈ͔ͳ͍ • ґଘؔΛղܾͰ͖ͳ͍
• ύϑΥʔϚϯεͷ • ϑΝΠϧଟ͍ͱΦʔόʔϔουͰ͔͍ • ࠷దԽ / ѹॖ ͢Δͱޮ͕ྑ͍
ͳͥϏϧυ͕ඞཁ͔ • Assets ͷϏϧυόουϊϋͷू߹ମ • Ϗϧυ͠ͳͯ͘ͳ͘ಈ͘ͷͳΒ ͦΕ͕Ұ൪ྑ͍ʹܾ·ͬͯΔ
ͳͥϏϧυ͕ඞཁ͔ • ϒϥβͷ • ES2015 / AltJS ಈ͔ͳ͍ • ґଘؔΛղܾͰ͖ͳ͍
• ύϑΥʔϚϯεͷ • ϑΝΠϧଟ͍ͱΦʔόʔϔουͰ͔͍ • ࠷దԽ / ѹॖ ͢Δͱޮ͕ྑ͍ ͦͷ͏ͪ ͳΜͱ͔ͳΔ ŋ@ŋA Ͳ͏ʹͰͳΔ )551
HTTP/2
HTTP ͷྺ࢙ • 1991 HTTP/0.9 • 1996 HTTP/1.0 • 1999
HTTP/1.1 : • 2009 SPDY/1 • 2013 SPDY/3.1 • 2015 HTTP/2.0 8FC͕Ί·͙Δ͘͠ มԽ͢Δதɺ)551ఀ (PPHMF͕41%:Λఏএ 41%: )551ʹٵऩ
HTTP/2 ͷಛ • HTTP 1.1 ͷηϚϯςΟΫεΛҡ࣋ͨ͠·· ύϑΥʔϚϯεΛվળ • ΑΓෳࡶʹ •
όΠφϦϓϩτίϧ • ଟॏԽ • ༏ઌ੍ޚ • αʔόϓογϡ
ৄ͘͠ HTTP/2 ࣌ͷ Web http://www.slideshare.net/Jxck/http2-web-web-over-http2-51943080
HTTP/1.1 • TCP ίωΫγϣϯΛ ϦΫΤετຖʹషΓ͠ • ࠷େ̒ίωΫγϣϯͰฒྻ $MJFOU 4FSWFS (&5
(&5TUZMFDTT (&5CVOEMFKT 3FTQPOTF 3FTQPOTFTUZMFDTT 3FTQPOTFCVOEMFKT
HTTP/2 • 1ຊͷ TCP ίωΫγϣϯΛ ࠷େݶ׆༻ • ̍ίωΫγϣϯʹ ετϦʔϜΛଟॏԽ •
όΠφϦϑϨʔϜ + ѹॖ • ඞཁͳ Assets Λ༧Ί Push (Server Push) $MJFOU 4FSWFS (&5 164)TUZMFDTT 164)CVOEMFKT 3FTQPOTF
DEMO https://github.com/hoto17296/http2-example
JSer ͔ΒΈͨ HTTP/2 • HTTP/1.1 ͷ߹ • ϦΫΤετগͳ͍΄͏͕͍͍ • webpack
or Browserify େਖ਼ٛ • HTTP/2 ͷ߹ • ଟॏԽ͍ͯ͠ΔͷͰϑΝΠϧଟͯ͘ฏؾ • Ή͠ΖݻΊͳ͍΄͏͕͍͍ʁ
Web ੜҎདྷͷ ৗ͕ࣝେ͖͘෴Δ
HTTP/2 Λ͑ JavaScript ͬͱָʹͳΔ
େੲͷඇޮͳϓϩτίϧͷͨΊʹ ߴͳٕज़Λۦͯ͠ർฐ͢Δͷ ͦΖͦΖΊΑ͏
HTTP/2 ͰϫΫϫΫ ΤϯδχΞϦϯά͠Α͏ ₍₍⁽⁽(!( ŋ◡ŋ )ʃ)₎₎⁾⁾