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ͦΕͰ΋/PEFKTΛ΍Δ !ZPTVLF@GVSVLBXB

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@yosuke_furukawa ೔ຊNode.jsϢʔβʔάϧʔϓ୅ද

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࠷ۙ͜Μͳ͜ͱ Α͘ݴΘΕΔ

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(PPE#ZF/PEFKT (PPE#ZF/PEFKT )FMMP(PMBOH 5+ &YQSFTTͷ࡞ऀ

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/PEF΍ͬͯΔਓͬͯօ(PMBOHʹߦͬ ͪΌͬͨΜ͡Όͳ͍ͷʁ ͱ͔ݴΘΕΔ ʀТʀʆ ŲƄƂŕ

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ৼΓฦͬͯ΋͏Ұ౓ ཱͪҐஔΛݟ௚ͦ͏ɻ

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/PEFKTͷྺ࢙తͳ࿩

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2001 2008 2009 2010 2011 2012 2013 2014 /PEFKTJTCPSO

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3ZBO%BIMɺ/PEFKTͷ෕

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#FGPSF/PEFKT

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2001 2008 2009 2010 2011 2012 2013 2014 ͔͜͜Βߦ͖·͠ΐ͏

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2001 2008 2009 2010 2011 2012 2013 2014 $,໰୊͕ ޠΒΕΔɻ

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೔ຊͰ΋ ʮ8FCͷઌʹ͋Δ$,໰୊ʯ ͱ͔هࣄ͕ॻ͔ΕΔ

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$,໰୊ ͪΐʔͨ͘͞ΜͷΫϥΠΞϯτ ,୆ ͕Ұ౓ʹ ઀ଓͨ͠Βαʔόʔࢮ͵ΑͶ͍ͬͯ͏໰୊ ౰࣌ͷϑϩϯτ͸"QBDIF͕ओྲྀ "QBDIF͸ϓϩηεεϨουϞσϧ ΫϥΠΞϯτ͕઀ଓ͢Δ౓ʹϓϩηεPSεϨο υ্͕͕ΔͱϝϞϦ࢖͍·͘ΒΕͯɺɺɺ
 ޙ͸෼͔Δͳɻ

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͜ͷ࣌ͷΈΜͳͷ൓Ԡ ʮ୆Ͱ,΋͞͹͔Ͷʔ͠XXXXʯ

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γϯϓϧͳIUUQϦΫΤετͳΒ ͦ͏ͩͱࢥ͏ɻ

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8FC࣌୅͸YISMPOHQPMMJOH ͕ྲྀߦΓ͸͡Ίͨ࣌୅

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ίωΫγϣϯ͸ܨ͕Γͬͺͳ͠ʹͳ ΔͨΊɺ໰୊͕Ҿ͖ى͜͞Ε΍͍͢ɻ

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"QBDIFWT/HJOY "QBDIF /HJOY XPSLFS XPSLFS XPSLFS XPSLFS XPSLFS XPSLFS XPSLFS XPSLFS XPSLFS

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"QBDIFWT/HJOY "QBDIF /HJOY XPSLFS XPSLFS XPSLFS XPSLFS XPSLFS XPSLFS XPSLFS XPSLFS XPSLFS ϦΫΤετͷ౓ʹXPSLFSεϨου͕ىಈ ͠ɺϝϞϦ͕ඡഭ͞ΕΔڪΕɺ·ͨεϨου ͕ଟ͍ͱεϨου੾Γସ͑΋ίετߴ͍

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"QBDIFWT/HJOY "QBDIF /HJOY XPSLFS XPSLFS XPSLFS XPSLFS XPSLFS XPSLFS XPSLFS XPSLFS XPSLFS γϯάϧεϨουͳͷͰίωΫγϣϯ͕ ͨ͘͞Μ͋ͬͯ΋XPSLFS͸ىಈ͠ͳ͍ Ϧιʔε͕ޮ཰త

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͜Μͳײ͡Ͱ$,͕૽͕Ε͔ͯΒ
 Πϕϯτϧʔ ϓϞσϧ͕ྲྀߦΓͩ͢ɻ

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"OZ&WFOU 1FSM &WFOU.BDIJOF 3VCZ 5XJTUFE 1ZUIPO ͜Μͳײ͡Ͱ$,͕૽͕Ε͔ͯΒ
 Πϕϯτϧʔ ϓϞσϧ͕ྲྀߦΓͩ͢ɻ

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ͨͩ͠ɺ͜ΕΒͷݴޠ 3VCZ 1FSM 1ZUIPO ʹ͸طʹ*0ͷಉظॲཧ͕ଘࡏ͢Δɻ

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&WFOU-PPQ ͕͔͔࣌ؒΔϑΝΠ ϧ*0΍ωοτϫʔΫ ܥͷॲཧ͸ग़དྷΔݶ Γඇಉظʹ͢Δ΂͖ɻ

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ΠϕϯτϧʔϓϞσϧ͸ྑ͍͕ɺط ଘͷ*0ಉظܥͷॲཧ͸ແ͍ͨ͘͠ɻ ඇಉظ*0ॲཧΛڧ੍͍ͤͨ͞ɻ

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ඇಉظϥΠϒϥϦͱͯ͠MJCFW͕࠾༻͞Εɺ ޙʹMJCVWͱͳΓɺϚϧνϓϥοτϑΥʔ ϜͰ΋ߴ଎ͳඇಉظ*0͕࣮ݱ͞ΕΔ

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2001 2008 2009 7JTCPSO
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function hoge() { console.log(“Hello Hello”); } ! function fuga() { // fugafufa console.log(“World World”); } +BWB4DSJQU ͜Ε·Ͱ ߏจղੳ > Hello Hello > World World ࣮ߦ

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function hoge() { console.log(“Hello Hello”); } ! function fuga() { // fugafufa console.log(“World World”); } +BWB4DSJQU ͜Ε·Ͱ ߏจղੳ > Hello Hello > World World ࣮ߦ ஗͍

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function hoge() { console.log(“Hello Hello”); } ! function fuga() { // fugafufa console.log(“World World”); } +BWB4DSJQU 7 > Hello Hello > World World ಈతʹϚγϯޠʹม׵ 0100101 0010010 1010101 0101010 1010100 ࣮ߦ ΊͬͪΌ଎͍

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$,Λղܾ͢ΔΠϕϯτϧʔϓϞσϧ ߴ଎ͳඇಉظ*0ͱͦΕΛڧ੍Մೳͳݴޠ ௒ઈ଎͍ॲཧܥ

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$,Λղܾ͢ΔΠϕϯτϧʔϓϞσϧ ߴ଎ͳඇಉظ*0ͱͦΕΛڧ੍Մೳͳݴޠ ௒ઈ଎͍ॲཧܥ 3ZBO%BIM͕ඞཁͱͯ͠ ͍ͨ΋ͷɻ

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͔ͯ͘͠/PEFKTੜ஀

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2001 2008 2009 2010 2011 2012 2013 2014 ͸ TPDLFUJPͷීٴ΍ FYQSFTTͷීٴ΋͋Γ ૽͕ΕΔɻ

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/PEFKTͱ͸Կͳͷ͔ ඇಉظϥΠϒϥϦͱΠϕϯτϧʔϓϞσϧͰಈ ͘ߴ଎͔ͭলϦιʔεͳ+BWB4DSJQU࣮ߦ؀ڥ 8FC4PDLFUɺ44&ͷΑ͏ʹίωΫγϣϯΛு Γͬͺͳ͠ʹ͢ΔϞϊͱ਌࿨ੑ͕ߴ͍ɻ ԿʹͰ΋޲͘ϫέ͡Όͳ͍ɻ౰વ޲͔ͳ͍෺͸ ͋Δɻ/PEFKT͚ͩͰແཧΛ͠ͳ͍ࣄ͸ॏཁɻ దࡐదॴͰ࢖͍෼͚ͨํ͕ྑ͍ͱ͍͏࿩ɻ

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5+͕(PʹҠͬͨཧ༝ ෼ࢄ؀ڥͰͨ͘͞Μͷαʔόʔͱڠௐ͢Δ࢓૊ Έʹ/PEF͕޲͔ͳ͔ͬͨɻ ͨͩͦΕ͚ͩͰɺ8FCΞϓϦΛ࡞ΔͳΒ૬มΘ Βͣ/PEFKTΛ࢖͍ଓ͚ΔͥIBIBIBͬͯݴͬ ͯΔ ͋Ε͸௼Γͩɻ IBIBIB

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5+͕(PʹҠͬͨཧ༝ ෼ࢄ؀ڥͰͨ͘͞Μͷαʔόʔͱڠௐ͢Δ࢓૊ Έʹ/PEF͕޲͔ͳ͔ͬͨɻ ͨͩͦΕ͚ͩͰɺ8FCΞϓϦΛ࡞ΔͳΒ૬มΘ Βͣ/PEFKTΛ࢖͍ଓ͚ΔͥIBIBIBͬͯݴͬ ͯΔ ͋Ε͸௼Γͩɻ IBIBIB ద༻͞ΕΔൣғʹΑͬͯ͸ෆಘखͳ͚ͩɻ
 ΦϫίϯͰ͸ͳ͍ʂʂʂʂ

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2001 2008 2009 2010 2011 2012 2013 2014 'VUVSF/PEFKT

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IUUQOPEFGFTUKQ

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/PEFKTͷઌ୺Λ૸Δਓͨͪͱ/PEFKT ͷະདྷͷ࿩ΛҰॹʹ͠·͠ΐ͏%