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React入門会@lagoon
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shimabee
January 25, 2020
Programming
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React入門会@lagoon
shimabee
January 25, 2020
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Transcript
3FBDUೖ
ɹγϚϒʔ ɾླྀٿେֶɹ࢈ۀܦӦֶՊ ɾ$0%&#"4&ɹظ ɾझຯɿΞχϥδɺϥϯχϯά ɾ࠷ۙ+4͕͖ ɾࡶڕ͚ͩͲɺϑϩϯτόο ΫΠϯϑϥͬͯΈ͍ͨ
͠·Ϳʔͷඪ ɾ3FBDUΛϑϫͬͱཧղͯ͠Β͏ɻ ɾ3FBDUʹڵຯΛ࣋ͬͯΒ͏ɻ
͘͡ 3FBDUͱ 3FBDUͷಛ ϓϩδΣΫτΛ࡞Ζ͏ +49ͱ
DPNQPOFOUͱ
3FBDUͱ 3FBDUͷಛ ϓϩδΣΫτΛ࡞Ζ͏ +49ͱ DPNQPOFOUͱ
3FBDUͱ 'BDFCPPL͕։ൃͨ͠ ɹΞϓϦέʔγϣϯͷ6*Λ࣮͢ΔͨΊͷ ɹɹɹɹɹɹɹɹɹɹɹɹɹ+4ϥΠϒϥϦʔ 'BDFCPPL TMBDL 2JJUBͳͲͰΘΕ͍ͯΔΑʂ
3FBDUͱ 3FBDUͷಛ ϓϩδΣΫτΛ࡞Ζ͏ +49ͱ DPNQPOFOUͱ
3FBDUͷಛ ίϯϙʔωϯτࢦ Ծ%0.
3FBDUͷಛ ίϯϙʔωϯτࢦ Ծ%0.
ίϯϙʔωϯτࢦͱ ίϯϙʔωϯτ6*Λ෦Խͨ͠ͷͰ ϖʔδΛߏ͢Δ ˡͭ·Γɺ͜͏͍͏͜ͱ
None
None
Ͱɺݟͨࠓ·ͰͱҰॹ͡ΌΜʂ ɹɹɹɹɹࠓ·Ͱ͜ΜͳαΠτ࡞Εͯͨͷ͕ͩʜ
ίϯϙʔωϯτʢ෦ʣ͝ͱʹผͷϑΝΠ ϧͰ࡞ͬͯɺ͍͍ͨͱ͜ΖͰݺͼग़͢ͱ ͍͍ͬͨํ͕Ͱ͖Δɻ ࠓ·Ͱͱҧ͏ͱ͜Ζ
Ұຕͷ)5.-ʹॻ͔Ε͍ͯͳ͍͠ɺ ͍·ΘͤΔ தͷจݴ͚ͩม͑ΕΔ ۩ମతͳ͜ͱޙ΄Ͳ
ίϯϙʔωϯτࢦͷϝϦοτ ɾίʔυ͕Γ͚ΒΕ͍ͯΔͷͰ ɹɹɹɹɹɹɹখ͞ͳ୯ҐͰίʔυΛߟ͑ΒΕΔ ɾݟΔ͖ͱ͜Ζ͕ϋοΩϦ͢ΔͷͰ ɹɹɹɹɹɹίʔυΛཧղ͘͢͠อ͍࣋͢͠ ɾσβΠϯͷ࠶ར༻͕؆୯
3FBDUͷಛ ίϯϙʔωϯτࢦ Ծ%0.
Ծ%0.ͱ ɾ+4ͷΦϒδΣΫτʹΑΓ ɹɹɹɹɹɹԾతʹ࡞ΒΕͨ%0. ɾมߋʹڧ͘ߏங͕͍ͷͰɺද͕͍ࣔ
ͳΜͰԾ%0.͍ͷʁ
มߋ มߋ ϖʔδͷભҠͱ͔ දࣔ දࣔ %0. Ծ%0. %0. ࠶ߏங มߋ෦͚ͩߏங
ͬͱԾ%0.ΛΓ͍ͨਓ ϦΞϧͳ%0.ͳ͍ͥͷ͔ 7JSUVBM%0.ͷࣄͬͯͳʹʁ ͋ͱҰͭͷࢿྉʹϦϯΫࡌ͍ͬͯ·͢
͜͜·ͰͰԿ͔࣭͋Γ·͔͢ʁ
3FBDUͱ 3FBDUͷಛ ϓϩδΣΫτΛ࡞Ζ͏ +49ͱ DPNQPOFOUͱ
)BDL.%ͷࢿྉʂ )FMMP 3FBDU·ͰͬͯΈΔʂ
3FBDUͱ 3FBDUͷಛ ϓϩδΣΫτΛ࡞Ζ͏ +49ͱ DPNQPOFOUͱ
+49ͱ w +BWB4DSJQU9.-ͷུͰɺ+4ͷ֦ுݴޠɻ w 3FBDUΛ༻͍ͯ)5.-Λग़ྗ͢Δࡍʹɺॻ͖ ख͕ײతʹॻ͖͍͢Α͏ʹΧελϚΠζ ͞Εͨݴޠɻ
ݴ༿Ͱݴ͔ͬͯΓͮΒ͍ͷͰ ίʔυΛݟൺͯΈΑ͏ʂ
+49Λ͏ͱ)5.-෩ʹॻ͘͜ͱ͕Ͱ͖ΔͷͰ ݟ͍͢ɺॻ͖͍͢ɺ͍͢͝خ͍͠ +49ͷ·ͱΊ
͜͜·ͰͰԿ͔࣭͋Γ·͔͢ʁ ʢٳܜʣ
3FBDUͱ 3FBDUͷಛ ϓϩδΣΫτΛ࡞Ζ͏ +49ͱ DPNQPOFOUͱ
$PNQPOFOUͱ w 3FBDUͰදࣔ͢Δ෦ͷ͜ͱɻ w දࣔ͢Δ༰ɺඞཁͳσʔλɺॲཧ Λͻͱ·ͱΊʹͨ͠ͷɻ
None
ίϯϙʔωϯτͷछྨ w$MBTTίϯϙʔωϯτ wؔίϯϙʔωϯτ
ίϯϙʔωϯτͷछྨ w$MBTTίϯϙʔωϯτ wؔίϯϙʔωϯτ
ίϯϙʔωϯτͷछྨ w$MBTTίϯϙʔωϯτ wؔίϯϙʔωϯτ
ίϯϙʔωϯτΛ͏্Ͱԡ͓͖͑ͯ֓͘͞೦ ίϯϙʔωϯτͷଐੑQSPQT ίϯϙʔωϯτͷͷอݿTUBUF
QSPQT wίϯϙʔωϯτͷଐੑ wࢠίϯϙʔωϯτؒͷσʔλड͚͠ wಡΈऔΓઐͰมߋͰ͖ͳ͍
QSPQTΛମݧͯ͠ΈΑ͏ʂ
6TFSͱ͍͏ؔίϯϙʔωϯτ Λ࡞Δ 6TFSʹOBNFଐੑɺFNBJMଐੑΛ࣋ͨͤΔ 6TFSΛඳը͢Δؔίϯϙʔωϯτ"QQΛ࡞Δ "QQίϯϙʔωϯτͰɺ6TFSίϯϙʔωϯτ
ʢࢠʣΛݺͼग़͠ɺඳըͷࡍʹOBNFଐੑɺFNBJM ଐੑʹ۩ମతͳΛ࣋ͨͤΔɻ ࠓ͔ΒΔ͜ͱ
QSPQTͷߟ͑ํ௫Ί·͔ͨ͠ʁ
TUBUF wίϯϙʔωϯτͷͷอݿ wίϯϙʔωϯτͰͷใอ࣋ wมߋՄೳʢୠ͠ɺมߋ/(ʣ wมߋ͢Δࡍίπ͕͍ΔʢTFU4UBUFʣ
TUBUFΛମݧͯ͠ΈΑ͏ʂ
ࠓ͔ΒΔ͜ͱ $PVOUFSΫϥείϯϙʔωϯτΛ࡞Δ $PVOUFSΛ$POTUSVDUPSͰॳظԽ ॳظԽ࣌ʹTUBUFͷઃஔ DPVOU6Qͱ͍͏TUBUFΛߋ৽͢ΔϝιοτΛ࡞Δ
SFOEFSͰTUBUFͷΛදࣔ͢Δ DPVOU6QϝιοτΛ࣮ߦ͢ΔϘλϯΛ࡞Δ
TUBUFͷߟ͑ํ௫Ί·͔ͨ͠ʁ
ίϯϙʔωϯτΛผϑΝΠϧʹʂ
ࠓ͔ΒΔ͜ͱ "QQKTͱಉ͡֊ʹ$PVOUFSKTΛ࡞Δ $PVOUFSKTʹ$PVOUFS$MBTTΛҠಈ $PVOUFS$MBTTΛFYQPSU "QQKTͰ$PVOUFS$MBTTΛJNQPSU
ίϯϙʔωϯτͱ͍͏֓೦Λ ௫ΊͨͰ͠ΐ͏͔ʁ
·ͱΊ 3FBDUԾ%0.ͷ͓ӄͰද͕ࣔૣ͍ ίϯϙʔωϯτࢦͰίʔυཧ͕͍͢͠ ίʔυͷ࠶ར༻͍͢͠ ͭ·Γɺ3FBDU࠷ߴ
͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ɻ