LintオタクによるLint解説 / Introduction to Lints

by Kuniwak

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-JOUΦλΫʹ ΑΔ-JOUղઆ -JOU/JHIU,VOJXBL

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,VOJXBL 7JNTDSJQUͷ-JOUͰ͋Δ7JOUͷ࡞ऀɻ -JOU͕޷͖͗ͯ͢Φʔϓϯιʔεͷ -JOUͷίʔυΛಡΈړ͍ͬͯΔɻ Ͱ-JOUͷ։ൃ΋͍ͯ͠Δɻ 2

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͜ͷൃදͰ఻͍͑ͨ͜ͱ 3

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4 -JOUͷڭཆ -JOUͱ͸ -JOUͷݕग़͢Δ໰୊ -JOUͷߏ଄ -JOUͷޮՌతͳ࢖͍ํ

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5 -JOUͷڭཆ -JOUͱ͸ -JOUͷݕग़͢Δ໰୊ -JOUͷߏ଄ -JOUͷޮՌతͳ࢖͍ํ

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ίʔυͱઃఆΛೖྗͱͯ͠ϓϩάϥϜͷ໰୊Λ੩తʹ ݕग़͢Δπʔϧͷ͜ͱ ࣗવݴޠͰॻ͔ΕͨจॻͱઃఆΛೖྗͱͯ͠ จॻͷ໰୊Λݕग़͢Δπʔϧͷ͜ͱ 6 -JOUͱ͸ʢ߹ҙ͞Εͨఆٛ͸ͳ͍ͷͰ஫ҙʣ 1 2

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ίʔυͱઃఆΛೖྗͱͯ͠ϓϩάϥϜͷ໰୊Λ੩తʹ ݕग़͢Δπʔϧͷ͜ͱ ࣗવݴޠͰॻ͔ΕͨจॻͱઃఆΛೖྗͱͯ͠ จॻͷ໰୊Λݕग़͢Δπʔϧͷ͜ͱ 7 -JOUͱ͸ʢ߹ҙ͞Εͨఆٛ͸ͳ͍ͷͰ஫ҙʣ 2 ੩తʹݕग़͢Δͱ͸ɺϓϩάϥϜΛ ࣮ࡍʹ࣮ߦ͢Δ͜ͱͳ͘໰୊Λ ݕग़͢Δͱ͍͏ҙຯ 1

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:BDDͰ༗໊ͳ4$+PIOTPO͕೥ʹ։ൃͨ͠$ݴޠͷ ੩తݕࠪثͷ໊લ͕-JOUͩͬͨ͜ͱʹ༝དྷ͢Δɻ ࠓͰ͸͜ͷ-JOUʹࣅͨ੩తݕࠪثશൠ͕-JOUͱݺ͹Ε͍ͯΔɻ ΋ͱ΋ͱ-JOUͱ͸ࢳͣ͘ͷҙຯͰɺࢳͣ͘औΓΛΠϝʔδͯ͠ -JOUͱ໊෇͚ΒΕͨΒ͍͠ɻ UFYUMJOUͷొ৔͔Β-JOUͷࢦ͢੩తݕࠪث͸ࣗવݴޠͷจॻΛ ର৅ͱ͢Δ΋ͷʹ·Ͱ޿͕͍ͬͯΔɻ 8 -JOUͷ໊લͷ༝དྷ

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9 -JOUͷڭཆ -JOUͱ͸ -JOUͷݕग़͢Δ໰୊ -JOUͷߏ଄ -JOUͷޮՌతͳ࢖͍ํ

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-JOU͕ ݕग़͢Δ ໰୊ ॲཧܥ͕੩తʹ ݕग़͢Δ໰୊ ୯७ͳઃఆΛ΋ͱʹ੩తʹݕग़Ͱ͖Δ ϓϩάϥϜͷ໰୊ͷ͏ͪɺॲཧܥ ʢίϯύΠϥ΍ΠϯλϓϦλʣ͕ ݕग़͠ͳ͍΋ͷɻ ࣗવݴޠͷ໰୊ʹ͍ͭͯ͸ಈ੩ͷ ֓೦͕ͳ͍ͷͰ͍͍ͩͨશ෦ɻ -JOUͷݕग़͢Δ໰୊ 10

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11 -JOU͕ ݕग़͢Δ ໰୊ ॲཧܥ͕੩తʹ ݕग़͢Δ໰୊ ॲཧܥͱ-JOUͷݕग़ର৅͸ݴޠ͝ͱʹҟͳΔ -JOU͕ ݕग़͢Δ ໰୊ ॲཧܥ͕੩తʹ ݕग़͢Δ໰୊ 5ZQF4DSJQU $ (P 1FSM 3VCZ +BWB4DSJQU

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12 -JOUͷݕग़͢Δ໰୊ͷྫ ఆٛʹ߹ҙͷऔΕͳ͍໰୊ ಈతʹ͔͠ݕग़͞Ε͍ͯͳ͍໰୊ 1 2

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13 ໰୊ͷఆٛʹ߹ҙͷऔΕͳ͍΋ͷ ݹདྷΑΓਓྨ͸ίʔσΟϯάελΠϧͰ૪͖ͬͯͨɻ ͍·΋૪͍ͷܾண͸͍͍ͭͯͳ͍ͨΊॲཧܥ͕ ίʔσΟϯάελΠϧΛݕࠪ͢Δ͜ͱ͸ ΄ͱΜͲͳ͘ɺ-JOUͷ໾ׂʹͳ͍ͬͯΔɻ ͨͩ͠Ұ෦ͷॲཧܥ͸ΠϯσϯτΛ ݕࠪ͢Δ͜ͱ͕͋ΔʢΦϑαΠυϧʔϧͱ͍͏ʣɻ 1

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14 ໰୊ͷఆٛʹ߹ҙͷऔΕͳ͍΋ͷ ͲͷϑϨʔϜϫʔΫΛ࢖͏͔ɺ͋Δ͍͸࢖Θͳ͍͔͸ ࣗ༝Ͱ͋ΔͷͰɺϑϨʔϜϫʔΫݻ༗ͷ࢖͍ํͷ ໰୊΋ॲཧܥ͕ݕग़͢Δ͜ͱ͸ͳ͍ɻ-JOUͷग़൪ɻ 1

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15 ಈతʹ͔͠ݕग़͞Ε͍ͯͳ͍໰୊ ಈతʹݕग़͞ΕΔ໰୊Λ੩తʹݕग़͢Δͷ΋-JOUͷ ໾ׂͷ̍ͭɻ࠷ۙͰ͸͞·͟·ͳಈతܕݕ͖ࠪͭ ϓϩάϥϛϯάݴޠʹ੩తܕݕࠪΛ͢Δ-JOU͕ ొ৔͍ͯ͠ΔʢNZQZ 'MPX 4PSCFU 1)14UBO ʣɻ 2

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16 -JOUͷڭཆ -JOUͱ͸ -JOUͷݕग़͢Δ໰୊ -JOUͷߏ଄ -JOUͷޮՌతͳ࢖͍ํ

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ςετɾϨϏϡʔҎ߱Ͱݕग़͞Ε͍ͯͨ ໰୊Λ-JOUͰݕग़͢Δ 17 -JOUͷޮՌతͳ࢖͍ํ

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18 ͳͥޮՌతͱओு͍ͯ͠Δͷ͔

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19 ߏจղੳ -JOUίϯύΠϧ࣌ݕࠪ ୯ମɾ݁߹ςετϨϏϡʔ γεςϜςετ ຊ൪؀ڥͰͷΤϥʔऩू Ϣʔβʔ͔Βͷ͓໰͍߹Θͤ ໰ ୊ Λ ݕ ग़ ͢ Δ ͨ Ί ͷ ख ஈ

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20 ߏจղੳ -JOUίϯύΠϧ࣌ݕࠪ ୯ମɾ݁߹ςετϨϏϡʔ γεςϜςετ ຊ൪؀ڥͰͷΤϥʔऩू Ϣʔβʔ͔Βͷ͓໰͍߹Θͤ ্͔Βॱʹݕࠪ͞ΕΔ ໰୊9 ໰ ୊ Λ ݕ ग़ ͢ Δ ͨ Ί ͷ ख ஈ

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21 ߏจղੳ -JOUίϯύΠϧ࣌ݕࠪ ୯ମɾ݁߹ςετϨϏϡʔ γεςϜςετ ຊ൪؀ڥͰͷΤϥʔऩू Ϣʔβʔ͔Βͷ͓໰͍߹Θͤ ໰୊Λݕग़͢Δͱࢭ·Δ ໰୊9 ໰ ୊ Λ ݕ ग़ ͢ Δ ͨ Ί ͷ ख ஈ

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22 ߏจղੳ -JOUίϯύΠϧ࣌ݕࠪ ୯ମɾ݁߹ςετϨϏϡʔ γεςϜςετ ຊ൪؀ڥͰͷΤϥʔऩू Ϣʔβʔ͔Βͷ͓໰͍߹Θͤ ໰୊9 ໰୊: ্ͷํͷखஈͰࢭ·Δͱ ௿ίετͰ໰୊Λݕग़Ͱ͖Δ ಛघͳ໰୊͸Լͷํͷ खஈͰ͔͠ݕग़Ͱ͖ͳ͍ ໰ ୊ Λ ݕ ग़ ͢ Δ ͨ Ί ͷ ख ஈ

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23 ߏจղੳ -JOUίϯύΠϧ࣌ݕࠪ ୯ମɾ݁߹ςετϨϏϡʔ γεςϜςετ ຊ൪؀ڥͰͷΤϥʔऩू Ϣʔβʔ͔Βͷ͓໰͍߹Θͤ -JOU͸͜ͷҐஔ ໰ ୊ Λ ݕ ग़ ͢ Δ ͨ Ί ͷ ख ஈ

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24 ߏจղੳ -JOUίϯύΠϧ࣌ݕࠪ ୯ମɾ݁߹ςετϨϏϡʔ γεςϜςετ ຊ൪؀ڥͰͷΤϥʔऩू Ϣʔβʔ͔Βͷ͓໰͍߹Θͤ ΋͠-JOUΛ࢖͍ͬͯͳ͍ͱɺ -JOUͰݕग़Ͱ͖Δ໰୊ΛΑΓ ߴίετͳςετ΍ϨϏϡʔͰ ݕग़͠ͳ͍ͱ͍͚ͳ͘ͳΔ ܕΤϥʔ ػೳͷޡ༻ ໰ ୊ Λ ݕ ग़ ͢ Δ ͨ Ί ͷ ख ஈ

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25 ߏจղੳ -JOUίϯύΠϧ࣌ݕࠪ ୯ମɾ݁߹ςετϨϏϡʔ γεςϜςετ ຊ൪؀ڥͰͷΤϥʔऩू Ϣʔβʔ͔Βͷ͓໰͍߹Θͤ -JOUΛ࢖͏͜ͱͰɺΑΓ ௿ίετͰ໰୊Λݕग़Ͱ͖Δ ܕΤϥʔ ػೳͷޡ༻ ໰ ୊ Λ ݕ ग़ ͢ Δ ͨ Ί ͷ ख ஈ

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26 Ͳ͏΍࣮ͬͯݱ͢Δͷ͔

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27 -JOUΛ࢖࣮ͬͨݱํ๏ͷྫ w ܕΤϥʔͷݕग़ ‎ ੩తܕݕࠪͷͰ͖Δ-JOUΛಋೖ͢Δ w ίʔσΟϯάελΠϧҧ൓ͷݕग़ ‎ -JOUͷઃఆΛڞ༗͢Δ͜ͱͰ࣮ݱͰ͖Δ w ϓϩδΣΫτ಺Ͱ࣮૷͞Εͨػೳͷޡ༻ͷݕग़ ‎ -JOUͷϧʔϧΛ࣮૷࣮ͯ͠ݱͰ͖Δ

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28 -JOUΛ࢖࣮ͬͨݱํ๏ͷྫ w ܕΤϥʔͷݕग़ ‎ ੩తܕݕࠪͷͰ͖Δ-JOUΛಋೖ͢Δ w ίʔσΟϯάελΠϧҧ൓ͷݕग़ ‎ -JOUͷઃఆΛڞ༗͢Δ͜ͱͰ࣮ݱͰ͖Δ w ϓϩδΣΫτ಺Ͱ࣮૷͞Εͨػೳͷޡ༻ͷݕग़ ‎ -JOUͷϧʔϧΛ࣮૷࣮ͯ͠ݱͰ͖Δ ͜ͷͨΊʹ͸-JOUͷ ߏ଄Λ஌Δඞཁ͕͋Δ

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29 -JOUͷڭཆ -JOUͱ͸ -JOUͷݕग़͢Δ໰୊ -JOUͷߏ଄ -JOUͷޮՌతͳ࢖͍ํ

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30 -JOUͷߏ଄ w -JOUͷߏ଄͸ͲΕ΋ࣅ௨͍ͬͯΔͷͰɺͭΛ ಡΊΔΑ͏ʹͳΔͱଞͷ΋ಡΊΔΑ͏ʹͳΔ w ॲཧͷྲྀΕ΋தؒσʔλ͕ҟͳΔ͚ͩͰ΄ͱΜͲಉ͡ w ѻ͏ओͳதؒσʔλ͸ɿ w τʔΫϯྻ w ந৅ߏจ໦ w ੍ޚϑϩʔάϥϑʢࠓճ͸ׂѪʣ

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31 -JOUͷ୅දతͳߏ଄ ݕࠪϧʔϧΛԣஅ͢Δॲཧ ʢ$-*ͷఏڙɺݕࠪ༰қͳσʔλ΁ͷม׵ɺݕࠪϧʔϧͷ࣮ߦʣ ݕࠪ ϧʔϧ ݕࠪ ϧʔϧ ݕࠪ ϧʔϧ ݕࠪ ϧʔϧ ݕࠪϧʔϧ͝ͱʹݸผͷ ίϯϙʔωϯτͱ࣮ͯ͠૷͠ɺ ԣஅॲཧΛݕࠪϧʔϧʹ ґଘͤ͞ͳ͍ߏ଄͕΄ͱΜͲɻ ͳ͓-JOUͷίʔυΛಡΉ ࡍʹ͸ɺίʔυྔͷগͳ͍ ݕࠪϧʔϧ͔Β͕͓͢͢Ίɻ ґ ଘ ݩ ґ ଘ ઌ

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32 -JOU ݕ͍ࠪͨ͠ ιʔείʔυ ݕࠪϧʔϧ ͝ͱͷઃఆ ݕग़ͨ͠ ໰୊ͷҰཡ -JOUͷॲཧͷྲྀΕ

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33 -JOU ݕ͍ࠪͨ͠ ιʔείʔυ ݕࠪϧʔϧ ͝ͱͷઃఆ ݕग़ͨ͠ ໰୊ͷҰཡ ίʔσΟϯάελΠϧΛݕࠪ͢Δ-JOUͷྫ ࣈ۟ ղੳ τʔΫϯྻ ʢޙड़ʣ ݕࠪ

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34 ݕ͍ࠪͨ͠ ιʔείʔυ ݕࠪϧʔϧ ͝ͱͷઃఆ ݕग़ͨ͠ ໰୊ͷҰཡ ΑΓߴ౓ͳݕࠪΛ͢Δ-JOUͷྫ ߏจ ղੳ ݕࠪ ந৅ߏจ໦ ʢޙड़ʣ -JOU

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35 ݕ͍ࠪͨ͠ ιʔείʔυ ݕग़ͨ͠ ໰୊ͷҰཡ ॲཧͷྲྀΕͷൺֱ ࣈ۟ ղੳ ݕࠪ τʔΫϯྻ ʢޙड़ʣ ݕ͍ࠪͨ͠ ιʔείʔυ ݕग़ͨ͠ ໰୊ͷҰཡ ݕࠪ ந৅ߏจ໦ ʢޙड़ʣ ߏจ ղੳ ͜ͷ෦෼͕ҟͳΔ͚ͩ

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36 -JOU ݕ͍ࠪͨ͠ ιʔείʔυ ݕࠪϧʔϧ ͝ͱͷઃఆ ݕग़ͨ͠ ໰୊ͷҰཡ ίʔσΟϯάελΠϧΛݕࠪ͢Δ-JOUͷྫ ࣈ۟ ղੳ τʔΫϯྻ ʢޙड़ʣ ݕࠪ

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37 τʔΫϯྻ τʔΫϯྻ function helloWorld ( ) { console . log τʔΫϯͱ͸ɺιʔείʔυͷ จࣈྻʹग़ݱ͢ΔҙຯΛ࣋ͬͨ ࠷খ୯Ґͷ͜ͱ

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38 /** ϋϩʔϫʔϧυΛදࣔ͢Δ */ function helloWorld() { console.log("Hello, World!"); } τʔΫϯྻ τʔΫϯྻ function helloWorld ( ) { console . log ؆୯ͳ+BWB4DSJQUͷιʔείʔυ ͷτʔΫϯΛݟͯΈΑ͏ ͜ͷίʔυͷઌ಄͔ΒॱʹԿ͕ τʔΫϯʹͳΔͷ͔Λݟ͍ͯ͘

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39 /** ϋϩʔϫʔϧυΛදࣔ͢Δ */ function helloWorld() { console.log("Hello, World!"); } τʔΫϯྻ τʔΫϯྻ function helloWorld ( ) { console . log τʔΫϯ

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40 /** ϋϩʔϫʔϧυΛදࣔ͢Δ */ function helloWorld() { console.log("Hello, World!"); } τʔΫϯྻ τʔΫϯྻ function helloWorld ( ) { console . log τʔΫϯ

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41 /** ϋϩʔϫʔϧυΛදࣔ͢Δ */ function helloWorld() { console.log("Hello, World!"); } τʔΫϯྻ τʔΫϯྻ function helloWorld ( ) { console . log τʔΫϯ

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42 /** ϋϩʔϫʔϧυΛදࣔ͢Δ */ function helloWorld() { console.log("Hello, World!"); } τʔΫϯྻ τʔΫϯྻ function helloWorld ( ) { console . log τʔΫϯ

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43 /** ϋϩʔϫʔϧυΛදࣔ͢Δ */ function helloWorld() { console.log("Hello, World!"); } τʔΫϯྻ τʔΫϯྻ function helloWorld ( ) { console . log τʔΫϯ

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44 τʔΫϯྻ τʔΫϯྻ τʔΫϯͱ͸ɺιʔείʔυͷ จࣈྻʹग़ݱ͢ΔҙຯΛ࣋ͬͨ ࠷খ୯Ґͷ͜ͱ function helloWorld ( ) { console . log

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45 τʔΫϯྻ τʔΫϯྻ τʔΫϯྻͱ͸ɺιʔείʔυͷ จࣈྻʹग़ݱ͢ΔॱʹτʔΫϯΛ ฒ΂ͨ΋ͷ function helloWorld ( ) { console . log

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46 -JOU ݕ͍ࠪͨ͠ ιʔείʔυ ݕࠪϧʔϧ ͝ͱͷઃఆ ݕग़ͨ͠ ໰୊ͷҰཡ ίʔσΟϯάελΠϧΛݕࠪ͢Δ-JOUͷྫ ࣈ۟ ղੳ τʔΫϯྻ ʢޙड़ʣ ݕࠪ

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47 -JOU ݕ͍ࠪͨ͠ ιʔείʔυ ݕࠪϧʔϧ ͝ͱͷઃఆ ݕग़ͨ͠ ໰୊ͷҰཡ ίʔσΟϯάελΠϧΛݕࠪ͢Δ-JOUͷྫ ࣈ۟ ղੳ τʔΫϯྻ ʢޙड़ʣ ݕࠪ

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48 τʔΫϯྻ τʔΫϯྻ with ( obj ) { console . log XJUIจͷར༻Λݕग़͢Δ-JOUͷ ॲཧͷྲྀΕΛΈͯΈΑ͏

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49 τʔΫϯྻ τʔΫϯྻ with ( obj ) { console . log // ېࢭ͞Ε͍ͯΔ with จΛ࢖͍ͬͯΔ with (obj) { console.log(obj); }

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50 τʔΫϯྻ τʔΫϯྻ with ( obj ) { console . log // ېࢭ͞Ε͍ͯΔ with จΛ࢖͍ͬͯΔ with (obj) { console.log(obj); }

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51 τʔΫϯྻ τʔΫϯྻ with ( obj ) { console . log // ېࢭ͞Ε͍ͯΔ with จΛ࢖͍ͬͯΔ with (obj) { console.log(obj); } τʔΫϯྻͷઌ಄͔Βॱʹɺ τʔΫϯ͕XJUIΩʔϫʔυ͔ Ͳ͏͔ௐ΂Δ͜ͱͰɺXJUIจͷ ࢖༻Λݕग़Ͱ͖Δ

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52 τʔΫϯྻ τʔΫϯྻ with ( obj ) { console . log // ېࢭ͞Ε͍ͯΔ with จΛ࢖͍ͬͯΔ with (obj) { console.log(obj); } XJUIΩʔϫʔυͷൃݟʹΑΓ XJUIจͷ࢖༻Λݕग़Ͱ͖ͨ

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53 ݕ͍ࠪͨ͠ ιʔείʔυ ݕࠪϧʔϧ ͝ͱͷઃఆ ݕग़ͨ͠ ໰୊ͷҰཡ ΑΓߴ౓ͳݕࠪΛ͢Δ-JOUͷྫ ߏจ ղੳ ݕࠪ ந৅ߏจ໦ ʢޙड़ʣ -JOU

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54 ݕ͍ࠪͨ͠ ιʔείʔυ ݕࠪϧʔϧ ͝ͱͷઃఆ ݕग़ͨ͠ ໰୊ͷҰཡ ΑΓߴ౓ͳݕࠪΛ͢Δ-JOUͷྫ ߏจ ղੳ ݕࠪ ந৅ߏจ໦ ʢޙड़ʣ -JOU

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55 ந৅ߏจ໦ͱ͸ɺݴޠ͝ͱͷنଇʹ ͕ͨͬͯ͠ιʔείʔυΛ ໦ߏ଄Ͱ͋ΒΘͨ͠΋ͷͷ͜ͱ ந৅ߏจ໦ Program FuncDecl BlockStmt ExprStmt Identifier CallExpr Identifier Identifier MemExpr Literal

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56 /** ϋϩʔϫʔϧυΛදࣔ͢Δ */ function helloWorld() { console.log("Hello, World!"); } ؆୯ͳ+BWB4DSJQUͷιʔείʔυ ͷந৅ߏจ໦ΛݟͯΈΑ͏ ந৅ߏจ໦ Program FuncDecl BlockStmt ExprStmt Identifier CallExpr Identifier Identifier MemExpr Literal ந৅ߏจ໦Λཧղ͢Δʹ͸ɺ༿͔Β ରԠ͢Δ෦෼ΛΈ͍ͯ͘ͱΑ͍

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57 /** ϋϩʔϫʔϧυΛදࣔ͢Δ */ function helloWorld() { console.log("Hello, World!"); } ந৅ߏจ໦ Program FuncDecl BlockStmt ExprStmt Identifier CallExpr Identifier MemExpr Literal Identifier

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58 /** ϋϩʔϫʔϧυΛදࣔ͢Δ */ function helloWorld() { console.log("Hello, World!"); } ந৅ߏจ໦ Program FuncDecl BlockStmt ExprStmt Identifier CallExpr MemExpr Identifier Literal Identifier

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59 /** ϋϩʔϫʔϧυΛදࣔ͢Δ */ function helloWorld() { console.log("Hello, World!"); } ந৅ߏจ໦ Program FuncDecl BlockStmt ExprStmt Identifier CallExpr Literal MemExpr Identifier Identifier

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60 /** ϋϩʔϫʔϧυΛදࣔ͢Δ */ function helloWorld() { console.log("Hello, World!"); } ந৅ߏจ໦ Program FuncDecl BlockStmt ExprStmt Identifier CallExpr Identifier MemExpr Identifier Literal

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61 /** ϋϩʔϫʔϧυΛදࣔ͢Δ */ function helloWorld() { console.log("Hello, World!"); } ந৅ߏจ໦ Program FuncDecl BlockStmt ExprStmt Identifier CallExpr Literal MemExpr Identifier Identifier

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62 /** ϋϩʔϫʔϧυΛදࣔ͢Δ */ function helloWorld() { console.log("Hello, World!"); } ந৅ߏจ໦ Program FuncDecl BlockStmt ExprStmt Identifier CallExpr Literal MemExpr Identifier Identifier

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63 /** ϋϩʔϫʔϧυΛදࣔ͢Δ */ function helloWorld() { console.log("Hello, World!"); } ந৅ߏจ໦ Program FuncDecl BlockStmt Identifier CallExpr ExprStmt Literal MemExpr Identifier Identifier

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64 /** ϋϩʔϫʔϧυΛදࣔ͢Δ */ function helloWorld() { console.log("Hello, World!"); } ந৅ߏจ໦ Program FuncDecl BlockStmt Identifier CallExpr ExprStmt Literal MemExpr Identifier Identifier

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65 ݕ͍ࠪͨ͠ ιʔείʔυ ݕࠪϧʔϧ ͝ͱͷઃఆ ݕग़ͨ͠ ໰୊ͷҰཡ ΑΓߴ౓ͳݕࠪΛ͢Δ-JOUͷྫ ߏจ ղੳ ݕࠪ ந৅ߏจ໦ ʢޙड़ʣ -JOU

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66 ݕ͍ࠪͨ͠ ιʔείʔυ ݕࠪϧʔϧ ͝ͱͷઃఆ ݕग़ͨ͠ ໰୊ͷҰཡ ΑΓߴ౓ͳݕࠪΛ͢Δ-JOUͷྫ ߏจ ղੳ ݕࠪ ந৅ߏจ໦ ʢޙड़ʣ -JOU

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67 DPOTPMFMPHݺͼग़͠Λݕग़͢Δ -JOUͷॲཧͷྲྀΕΛΈͯΈΑ͏ ந৅ߏจ໦ Program FuncDecl BlockStmt ExprStmt Identifier CallExpr Identifier Identifier MemExpr Literal

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68 ந৅ߏจ໦Λਂ͞༏ઌͰ୳ࡧ͠ɺ ஫໨͍ͨ͠෦෼໦ͷࠜΛݟ͚ͭΔ ࠓճ͸ؔ਺ݺͼग़͠ʹ஫໨͍ͨ͠ ͷͰɺ$BMM&YQSཁૉΛ୳͢ ந৅ߏจ໦ Program FuncDecl BlockStmt ExprStmt Identifier CallExpr Identifier Identifier MemExpr Literal

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69 ந৅ߏจ໦ FuncDecl BlockStmt ExprStmt Identifier CallExpr Identifier Identifier MemExpr Literal Program $BMM&YQSͰͳ͍ͷͰແࢹ

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70 ந৅ߏจ໦ BlockStmt ExprStmt Identifier CallExpr Identifier Identifier MemExpr Literal Program FuncDecl $BMM&YQSͰͳ͍ͷͰແࢹ

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71 ந৅ߏจ໦ BlockStmt ExprStmt CallExpr Identifier Identifier MemExpr Literal Program FuncDecl Identifier $BMM&YQSͰͳ͍ͷͰແࢹ

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72 ந৅ߏจ໦ ExprStmt CallExpr Identifier Identifier MemExpr Literal Program FuncDecl Identifier BlockStmt $BMM&YQSͰͳ͍ͷͰແࢹ

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73 ந৅ߏจ໦ CallExpr Identifier Identifier MemExpr Literal Program FuncDecl Identifier BlockStmt ExprStmt $BMM&YQSͰͳ͍ͷͰແࢹ

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74 ந৅ߏจ໦ Identifier Identifier MemExpr Literal Program FuncDecl Identifier BlockStmt ExprStmt CallExpr $BMM&YQSΛൃݟͨ͠

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75 ந৅ߏจ໦ Identifier Identifier MemExpr Literal Program FuncDecl Identifier BlockStmt ExprStmt CallExpr $BMM&YQSΛൃݟͨ͠Βɺ͜ͷ ؔ਺ݺͼग़͕͠DPOTPMFMPHͷ ݺͼग़͠Ͱ͋Δ͜ͱΛ֬ೝ͢Δ ۩ମతʹ͸ɺݺͼग़͠ର৅͕ DPOTPMF͔ΒMPHϓϩύςΟΛ ࢀর͢Δ.FN&YQSͰ͋Δ͜ͱΛ ֬ೝ͢Ε͹ྑ͍

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76 ந৅ߏจ໦ Literal Program FuncDecl Identifier BlockStmt ExprStmt CallExpr Identifier Identifier MemExpr /** ϋϩʔϫʔϧυΛදࣔ͢Δ */ function helloWorld() { console.log("Hello, World!"); } ݺͼग़͠ର৅͕DPOTPMFMPHͰ͋Δ͜ͱΛ֬ೝ

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77 ந৅ߏจ໦ Literal Program FuncDecl Identifier BlockStmt ExprStmt CallExpr Identifier Identifier MemExpr /** ϋϩʔϫʔϧυΛදࣔ͢Δ */ function helloWorld() { console.log("Hello, World!"); } DPOTPMFMPHͷؔ਺ݺͼग़͠Λݕग़Ͱ͖ͨ

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78 -JOUͷߏ଄ͷ͓͞Β͍ w -JOUͷߏ଄͸ͲΕ΋ࣅ௨͍ͬͯΔͷͰɺͭΛ ಡΊΔΑ͏ʹͳΔͱଞͷ΋ಡΊΔΑ͏ʹͳΔ w ॲཧͷྲྀΕ΋தؒσʔλ͕ҟͳΔ͚ͩͰ΄ͱΜͲಉ͡ w ѻ͏ओͳதؒσʔλ͸ɿ w τʔΫϯྻ w ந৅ߏจ໦ w ੍ޚϑϩʔάϥϑʢࠓճ͸ׂѪʣ

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·ͱΊ 79

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80 -JOUͷڭཆ -JOUͱ͸ -JOUͷݕग़͢Δ໰୊ -JOUͷߏ଄ -JOUͷޮՌతͳ࢖͍ํ