tpac_study (2026)

3ZVTFJ4BKJLJ!TBKJLJY "NCJUJPOBOE*NQSPWFNFOUJOJO UQBD@TUVEZ

4BKJ3ZVTFJ4BKJLJ 'SPOUFOE%FWFMPQFSBU$ZCP[V JOD 𝕏 !TBKJLJY

ࣗ෼͕ओʹࢀՃͨ͠8(TFTTJPO ࣗ෼ͷڵຯ෼໺͸*OUM೔࣌ࠃࡍԽͱ͔ͳͷͰ w *O8( ϝΠϯ w *OपΓͷKPJOUNFFUJOHCSFBLPVUTFTTJPO w 8JOUFS5$
গ͚ͩ͠ w 8FC&EJUJOH গ͚ͩ͠ Έ͍ͨͳײ͡

ࣗ෼͕ओʹࢀՃͨ͠8(TFTTJPO *O8(ͷ༷ࢠ

"NCJUJPO

໺৺తͩͳͱࢥͬͨఏҊΛͭ঺հ #SFBLPVU4FTTJPOͳͲͰ͸݁ߏ໺৺తͳ࢓༷ఏҊͷ࿩͕ଟ͔ͬͨ ݸਓతʹ࣌ʹ໘ന͔ͬͨͷ͕ҎԼͷͭ %0.-PDBMJ[BUJPO "NPVOU&MFNFOU

%0.-PDBMJ[BUJPO จݴϦιʔεΛ؆୯͔ͭॊೈʹಡΈࠐΉఏҊ w $44ʹࣅͨܗͰར༻͢ΔจݴϦιʔεΛએݴͰ͖ΔΑ͏ʹ͍ͨ͠ w )5.-ଆͰจݴΛ LFZͳͲͰ ࢦఆ͢Δ͜ͱͰϩʔΧϥΠζ͞ΕΔ ͬͯݴΘΕͯ΋🤔

%0.-PDBMJ[BUJPO Ծ จݴϦιʔεͷಡΈࠐΈ w $44ಉ༷ʹಡΈࠐΉ <html> <head> <link rel="localization" src="uri/for/resource.mf"
/> </head> </html>

%0.-PDBMJ[BUJPO Ծ จݴͷࢦఆ w ઐ༻ͷଐੑͰจݴͷLFZ΍Ҿ਺ΛࢦఆͰ͖Δ <body> <h1 l10n-id="greeting" l10n-args="userName: John"></h1>
</body>

લఏͱͳΔ࢓༷ͨͪ %0.-PDBMJ[BUJPOΛ࣮ݱ͢ΔͨΊʹ͸ؔ࿈͢Δඞཁͳ࢓༷͕͋Δ w ϝοηʔδࣗମͷߏจͷ࢓༷ w ˠ*$6.FTTBHF'PSNBUW w ϝοηʔδΛ+4͔Βѻ͏ͨΊͷ࢖༻ w ˠ*OUM.FTTBHF'PSNBU
w ෳ਺ͷϝοηʔδΛ·ͱΊͨϦιʔεϑΝΠϧͷ࢓༷ w ˠ.FTTBHF3FTPVSDFT

*$6.FTTBHF'PSNBU 6OJDPEFͷ$-%35$͕ࡦఆͯ͠ΔจݴϑΥʔϚοτͷ࢓༷ w 6OJDPEFͷग़͢$-%3WͰ4UBCMFʹͳͬͨ w Α͋͘ΔΑ͏ͳϓϨΠεϗϧμͷຒΊࠐΈҎ֎ʹ΋ w ϝοηʔδ಺Ͱͷม਺એݴɾؔ਺ݺͼग़͠ w NBUDIߏจʹΑΔύλʔϯϚον
w ϚʔΫΞοϓॻࣜ

*$6.FTTBHF'PSNBU ύλʔϯϚον΋ ؔ਺ݺͼग़͠΋

*OUM.FTTBHF'PSNBU .FTTBHF'PSNBUΛ*OUMͰॻࣜԽͰ͖ΔΑ͏ʹ͢Δ࢓༷ w ݱࡏ&$."4DSJQUͷ4UBHF const mf = new Intl.MessageFormat("en","Hello {$place}!");
mf.format({ place: "World" }); // ↓ // Hello World!

ϦιʔεϑΝΠϧͷ࢓༷ .FTTBHF'PSNBUWͰॻ͔Ε֤ͨจݴΛ·ͱΊͨϦιʔεϑΟϧͷܗࣜ w ݱࡏ͸8$ͷJO8(಺Ͱڠ͕ٞਐΜͰ͍Δஈ֊ ݱࡏఏҊ͞Ε͍ͯΔྫ มΘΔՄೳੑଟ͍ʹ͋Γ @locale en-US ---
one = A plain, simple message. [section] two = Another message with a {$placeholder}.

%0.-PDBMJ[BUJPO ·ͩ·ͩ͜Ε͔Β w ঺հͨ͠Α͏ʹલఏͱͳΔܾΊͳ͖Ό͍͚ͳ͍࢓༷͕ଟ͍ w Өڹൣғ΋͘͢͝େ͖͍ w )5.-ͷ࢓༷ʹେ͖͘खΛೖΕΔඞཁ͕͋Δ w ܾ·ͬͯͳ͍ͱ͜Ζ΋ͨ͘͞Μ͋Δ
w ৽͍͠ςϯϓϨʔτΤϯδϯΈ͍ͨͳΒͳ͍ʁΈ͍ͨͳ࣭໰΋ w 51"$Ͱ͸ʮ·ͣ͸8(࡞Δͱ͔͜ΒͩͶ͐ʯΈ͍ͨͳ݁࿦ʹͳͬͯͨ

"NPVOUཁૉ ୯Ґͱ਺஋Ληοτʹ࣋ͯΔ৽͍͠)5.-ཁૉͷఏҊ w ୯ҐΛ਺஋ͱηοτͰએݴ͢Δ͜ͱͰҎԼͷΑ͏ͳ͜ͱ͕؆୯ʹ w ୯Ґม׵ w ϩʔΧϥΠζ w ͢ͰʹUJNFཁૉ΍EBUFཁૉ͸͋Δ͕
w ୯Ґ͕ݶఆతͰ͋Γɺ΋ͬͱ֦ுੑͷߴ͍΋ͷʹ͍ͨ͠

"NPVOUཁૉ VOJU΍WBMVFͱ͍ͬͨଐੑΛ࣋ͭ w VOJUଐੑ4*୯Ґܥʹ͋ΔΑ͏ͳ෺ཧ୯Ґ w WBMVFଐੑλά಺͡Όͳ͘WBMVFͱͯ͠΋ॻ͚Δ <amount value=42.2 unit=km>42,2</amount>

&$."4DSJQUͷ"NPVOUͷఏҊ "NPVOUͱ͍͏&$."4DSJQUͷ4UBHFͷఏҊ͕͋Δ w ݩʑ3FQSFTFOUJOH.FBTVSFTͱݺ͹͍ͯͨఏҊ w ౰ॳ͸୯Ґม׵ػೳͳͲ΋αϙʔτ͢Δ༧ఆ͕ͩͬͨ࢓༷͕࡟ݮ͞ΕͯΔ w ݱঢ়Ͱ͸୯Ґͱ਺஋ΛηοτͰ؅ཧ͢Δσʔλܗࣜͱͯ͠ͷఏҊ +4 ↔︎
)5.-Ͱࠓޙ࿈ܞ͕ͱΒΕ͍͔ͯ͘΋ let a = new Amount("42.195", { unit: "km" });

"NPVOUͷఏҊ ݸਓతʹ͸&$."4DSJQUଆͷ࢓༷Λڵຯ࣋ͬͯ௥ͬͯͨ *OUM޷͖ͳͷͰ w ͦ΋ͦ΋&4ͷ࢓༷ఏҊͰ਺஋΍୯Ґͱ͍ͬͨ෦෼͕࠷ۙΞπΠ w ࣗ෼ͷڵຯ෼໺ͱͭͳ͕͖ͬͯͨͷͰݸਓతʹ͸໘ന͔ͬͨ ࠷ۙ͸&$."ͷ࢓༷ࡦఆͷͳ͔ͷϓϩηεʹJO8(ͷϨϏϡʔ͕ೖΔ w
ඪ४Խஂମ͸ҧͬͯ΋ͭͳ͕͍ͬͯΔ࣮ײ

*NQSPWFNFOU

࢓༷ఏҊ͢Δ͚ͩ͡Όͳ͍ *O8(ͷ΍Δ͜ͱ͸࢓༷ఏҊΛ͢Δ͚ͩͰ͸ͳ͍ w ଞͷ8(ʹΑΔఏҊͷϨϏϡʔ w ࢓༷ࡦఆͷ్தͰϨϏϡʔ͕ೖΔ w ؅ཧͯ͠ΔυΩϡϝϯτ͕݁ߏ͋Δ w దٓߋ৽ɾमਖ਼ͯ͠Δ

JO8(ͷ%PDVNFOU ಡΜͩ͜ͱ͋Δʁ🖐

ࣗ෼͸ͪΌΜͱ͸ ஌Βͳ͔ͬͨ🙇

JO8(ͷ͍࣋ͬͯΔ%PDVNFOU w IUUQTXXXXPSHCMPHJOUFSOBUJPOBMʹߦͬͯΈΑ͏

JO8(ͷ͍࣋ͬͯΔ%PDVNFOUΛ ҎԼͷΑ͏ͳ%PDVNFOU͕ฒΜͰΔ w -BOHVBHF&OBCMFNFOU w ݴޠʹΑΔ֤ػೳͷαϙʔτঢ়گ w %FWFMPQQFS4VQQPSU w ࢓༷ͷࡦఆʹؔ͢ΔυΩϡϝϯτ΍ϒϥ΢β࣮૷޲͚ͷυΩϡϝϯτ
w &EVDBUJPO0VUSFBDI w ίϯςϯπ࡞੒ɾ։ൃऀ޲͚ͷίϯςϯπ

ΞϓϦ։ൃऀʹࢀߟʹͳΓͦ͏ͳ΋ͷ (FUUJOH4UBSUFEXJUI*OUFSOBUJPOBMJ[BUJPO w JOͱMOͷҧ͍ͳͲ͔Βελʔτͯ͠ߨ࠲ܗࣜͰֶ΂Δهࣄ܈ "VUIPSJOH)5.-$44 w )5.-΍$44Λॻ্͘Ͱ߲໨͝ͱʹJO8(ͷ%PD-JOL͕·ͱ·ͬͯΔ w ͔͜͜ΒؾʹͳΔͷΛ୳͢ͷ͕ૣ͍ "SUJDMFMJTU

51"$Ͱಛʹ໘ന͔ͬͨٞ࿦ 51"$Ͱ΋%PDVNFOUͷߋ৽ͳͲ͕ੵۃతʹߦΘΕ͍ͯͨ ͦͷதͰ΋ಛʹ໘ന͔ͬͨٞ࿦ɾ%PD w ʮจࣈԽ͚ʯͷఆٛͷ࿩ w 4USJOH4FBSDIJOHͷυΩϡϝϯτվળ

51"$Ͱ໘ന͔ͬͨٞ࿦NPKJCBLFͷఆٛ *O8(Ͱ͸*OUFSOBUJPOBMJ[BUJPO(MPTTBSZͱ͍͏༻ޠूΛ؅ཧͯ͠Δ ͦͷதʹ͸೔ຊޠ͔Βͦͷ··࠾༻͞ΕͨʮNPKJCBLFʯ͕͋Δ ٞ࿦͞Εͯͨ͜ͱ w ϑΥϯτ͕ͳͯ͘ϨϯμʔͰ͖ͳ͍͜ͱͱNPKJCBLF͸ҟͳΔͷͰ͸ʁ w ͦ΋ͦ΋TQFDͰ࢖ΘΕΔʁ w தࠃͰ΋ಉ͡Α͏ͳ֓೦͕͋Δʁ

51"$Ͱ஌ͬͨ໘ന%PD4USJOH4FBSDIJOH *O8(Ͱ͸4USJOH4FBSDIJOHͱ͍͏จࣈྻݕࡧػೳͷͨΊͷจॻ͕͋Δ w ͜ͷ࣌఺Ͱ͍͢͝ จࣈྻݕࡧ͚ͩͰ΋ҎԼͷΑ͏ͳ͜ͱΛؾʹ͢Δඞཁ͕͋Δ w શ֯൒֯͸ʁେจࣈখจࣈ͸ʁ w ׽਺ࣈͱ͔ଞݴޠͷ਺ࣈจࣈ͸ώοτ͢Δจࣈͷೖͬͨه߸ͷѻ͍ ͜ͷ%PD΋5"1$தʹ͍͔ͭ͘ࢀߟจݙͷ௥Ճ΍6QEBUF͕ͳ͞Εͨ

·ͱΊͱ͔ײ૝ͱ͔ࢥ͍ͱ͔ 8$ʹ͓͚ΔࠃࡍԽͷͨΊͷӦΈ͸ଟذʹΘͨΔ w ఏҊ͞ΕΔ࢓༷΋໘ന͍͚ͲɺͦΕҎ֎ͷ׆ಈ΋͋Δ͍ͩ͠͡ w ͔ͤͬ͘ॻ͍ͯΔ%PDVNFOU͸ಡ·Εͯཉ͍͠ͳ ࣗ෼΋গͣͭ͠ಡΜͰΔ ૝૾ΑΓ΋ͣͬͱগͳ͍ਓ͕ͳΜͱ͔ࢧ͍͑ͯΔঢ়ଶͩͬͨ w
֤ਓͷ஌ࣝྔͱࠃࡍԽͷࢥ͍ͰͳΜͱ੒ΓཱͬͯΔ Α͏ʹݟ͑ͨ w ೔ຊޠͱ͍͏ׂͱಛघͳݴޠΛ࢖͍ͬͯΔҎ্ɺશવਓ͝ͱ͡Όͳ͍ w ݴޠ౰ࣄऀ͕͍ΕΔͱ͍͏͜ͱ͸େ͖͍

ऴΘΓ

tpac_study (2026)

tpac_study (2026)

Saji

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3ZVTFJ4BKJLJ!TBKJLJY "NCJUJPOBOE*NQSPWFNFOUJOJO UQBD@TUVEZ

4BKJ3ZVTFJ4BKJLJ 'SPOUFOE%FWFMPQFSBU$ZCP[V JOD 𝕏 !TBKJLJY

ࣗ෼͕ओʹࢀՃͨ͠8(TFTTJPO ࣗ෼ͷڵຯ෼໺͸OUM೔࣌ࠃࡍԽͱ͔ͳͷͰ w O8( ϝΠϯ w *OपΓͷKPJOUNFFUJOHCSFBLPVUTFTTJPO w 8JOUFS5$

ࣗ෼͕ओʹࢀՃͨ͠8(TFTTJPO *O8(ͷ༷ࢠ

"NCJUJPO

໺৺తͩͳͱࢥͬͨఏҊΛͭ঺հ #SFBLPVU4FTTJPOͳͲͰ͸݁ߏ໺৺తͳ࢓༷ఏҊͷ࿩͕ଟ͔ͬͨ ݸਓతʹ࣌ʹ໘ന͔ͬͨͷ͕ҎԼͷͭ %0.-PDBMJ[BUJPO "NPVOU&MFNFOU

%0.-PDBMJ[BUJPO จݴϦιʔεΛ؆୯͔ͭॊೈʹಡΈࠐΉఏҊ w $44ʹࣅͨܗͰར༻͢ΔจݴϦιʔεΛએݴͰ͖ΔΑ͏ʹ͍ͨ͠ w )5.-ଆͰจݴΛ LFZͳͲͰ ࢦఆ͢Δ͜ͱͰϩʔΧϥΠζ͞ΕΔ ͬͯݴΘΕͯ΋🤔

%0.-PDBMJ[BUJPO Ծ จݴϦιʔεͷಡΈࠐΈ w $44ಉ༷ʹಡΈࠐΉ <html> <head> <link rel="localization" src="uri/for/resource.mf"

%0.-PDBMJ[BUJPO Ծ จݴͷࢦఆ w ઐ༻ͷଐੑͰจݴͷLFZ΍Ҿ਺ΛࢦఆͰ͖Δ <body> <h1 l10n-id="greeting" l10n-args="userName: John"></h1>

લఏͱͳΔ࢓༷ͨͪ %0.-PDBMJ[BUJPOΛ࣮ݱ͢ΔͨΊʹ͸ؔ࿈͢Δඞཁͳ࢓༷͕͋Δ w ϝοηʔδࣗମͷߏจͷ࢓༷ w ˠ$6.FTTBHF'PSNBUW w ϝοηʔδΛ+4͔Βѻ͏ͨΊͷ࢖༻ w ˠOUM.FTTBHF'PSNBU

*$6.FTTBHF'PSNBU 6OJDPEFͷ$-%35$͕ࡦఆͯ͠ΔจݴϑΥʔϚοτͷ࢓༷ w 6OJDPEFͷग़͢$-%3WͰ4UBCMFʹͳͬͨ w Α͋͘ΔΑ͏ͳϓϨΠεϗϧμͷຒΊࠐΈҎ֎ʹ΋ w ϝοηʔδ಺Ͱͷม਺એݴɾؔ਺ݺͼग़͠ w NBUDIߏจʹΑΔύλʔϯϚον

*$6.FTTBHF'PSNBU ύλʔϯϚον΋ ؔ਺ݺͼग़͠΋

OUM.FTTBHF'PSNBU .FTTBHF'PSNBUΛOUMͰॻࣜԽͰ͖ΔΑ͏ʹ͢Δ࢓༷ w ݱࡏ&$."4DSJQUͷ4UBHF const mf = new Intl.MessageFormat("en","Hello {$place}!");

ϦιʔεϑΝΠϧͷ࢓༷ .FTTBHF'PSNBUWͰॻ͔Ε֤ͨจݴΛ·ͱΊͨϦιʔεϑΟϧͷܗࣜ w ݱࡏ͸8$ͷJO8(಺Ͱڠ͕ٞਐΜͰ͍Δஈ֊ ݱࡏఏҊ͞Ε͍ͯΔྫ มΘΔՄೳੑଟ͍ʹ͋Γ @locale en-US ---

%0.-PDBMJ[BUJPO ·ͩ·ͩ͜Ε͔Β w ঺հͨ͠Α͏ʹલఏͱͳΔܾΊͳ͖Ό͍͚ͳ͍࢓༷͕ଟ͍ w Өڹൣғ΋͘͢͝େ͖͍ w )5.-ͷ࢓༷ʹେ͖͘खΛೖΕΔඞཁ͕͋Δ w ܾ·ͬͯͳ͍ͱ͜Ζ΋ͨ͘͞Μ͋Δ

"NPVOUཁૉ ୯Ґͱ਺஋Ληοτʹ࣋ͯΔ৽͍͠)5.-ཁૉͷఏҊ w ୯ҐΛ਺஋ͱηοτͰએݴ͢Δ͜ͱͰҎԼͷΑ͏ͳ͜ͱ͕؆୯ʹ w ୯Ґม׵ w ϩʔΧϥΠζ w ͢ͰʹUJNFཁૉ΍EBUFཁૉ͸͋Δ͕

"NPVOUཁૉ VOJU΍WBMVFͱ͍ͬͨଐੑΛ࣋ͭ w VOJUଐੑ4*୯Ґܥʹ͋ΔΑ͏ͳ෺ཧ୯Ґ w WBMVFଐੑλά಺͡Όͳ͘WBMVFͱͯ͠΋ॻ͚Δ <amount value=42.2 unit=km>42,2</amount>

&$."4DSJQUͷ"NPVOUͷఏҊ "NPVOUͱ͍͏&$."4DSJQUͷ4UBHFͷఏҊ͕͋Δ w ݩʑ3FQSFTFOUJOH.FBTVSFTͱݺ͹͍ͯͨఏҊ w ౰ॳ͸୯Ґม׵ػೳͳͲ΋αϙʔτ͢Δ༧ఆ͕ͩͬͨ࢓༷͕࡟ݮ͞ΕͯΔ w ݱঢ়Ͱ͸୯Ґͱ਺஋ΛηοτͰ؅ཧ͢Δσʔλܗࣜͱͯ͠ͷఏҊ +4 ↔︎

"NPVOUͷఏҊ ݸਓతʹ͸&$."4DSJQUଆͷ࢓༷Λڵຯ࣋ͬͯ௥ͬͯͨ *OUM޷͖ͳͷͰ w ͦ΋ͦ΋&4ͷ࢓༷ఏҊͰ਺஋΍୯Ґͱ͍ͬͨ෦෼͕࠷ۙΞπΠ w ࣗ෼ͷڵຯ෼໺ͱͭͳ͕͖ͬͯͨͷͰݸਓతʹ͸໘ന͔ͬͨ ࠷ۙ͸&$."ͷ࢓༷ࡦఆͷͳ͔ͷϓϩηεʹJO8(ͷϨϏϡʔ͕ೖΔ w

*NQSPWFNFOU

࢓༷ఏҊ͢Δ͚ͩ͡Όͳ͍ *O8(ͷ΍Δ͜ͱ͸࢓༷ఏҊΛ͢Δ͚ͩͰ͸ͳ͍ w ଞͷ8(ʹΑΔఏҊͷϨϏϡʔ w ࢓༷ࡦఆͷ్தͰϨϏϡʔ͕ೖΔ w ؅ཧͯ͠ΔυΩϡϝϯτ͕݁ߏ͋Δ w దٓߋ৽ɾमਖ਼ͯ͠Δ

JO8(ͷ%PDVNFOU ಡΜͩ͜ͱ͋Δʁ🖐

ࣗ෼͸ͪΌΜͱ͸ ஌Βͳ͔ͬͨ🙇

JO8(ͷ͍࣋ͬͯΔ%PDVNFOU w IUUQTXXXXPSHCMPHJOUFSOBUJPOBMʹߦͬͯΈΑ͏

JO8(ͷ͍࣋ͬͯΔ%PDVNFOUΛ ҎԼͷΑ͏ͳ%PDVNFOU͕ฒΜͰΔ w -BOHVBHF&OBCMFNFOU w ݴޠʹΑΔ֤ػೳͷαϙʔτঢ়گ w %FWFMPQQFS4VQQPSU w ࢓༷ͷࡦఆʹؔ͢ΔυΩϡϝϯτ΍ϒϥ΢β࣮૷޲͚ͷυΩϡϝϯτ

ΞϓϦ։ൃऀʹࢀߟʹͳΓͦ͏ͳ΋ͷ (FUUJOH4UBSUFEXJUI*OUFSOBUJPOBMJ[BUJPO w JOͱMOͷҧ͍ͳͲ͔Βελʔτͯ͠ߨ࠲ܗࣜͰֶ΂Δهࣄ܈ "VUIPSJOH)5.-$44 w )5.-΍$44Λॻ্͘Ͱ߲໨͝ͱʹJO8(ͷ%PD-JOL͕·ͱ·ͬͯΔ w ͔͜͜ΒؾʹͳΔͷΛ୳͢ͷ͕ૣ͍ "SUJDMFMJTU

51"$Ͱಛʹ໘ന͔ͬͨٞ࿦ 51"$Ͱ΋%PDVNFOUͷߋ৽ͳͲ͕ੵۃతʹߦΘΕ͍ͯͨ ͦͷதͰ΋ಛʹ໘ന͔ͬͨٞ࿦ɾ%PD w ʮจࣈԽ͚ʯͷఆٛͷ࿩ w 4USJOH4FBSDIJOHͷυΩϡϝϯτվળ

·ͱΊͱ͔ײ૝ͱ͔ࢥ͍ͱ͔ 8$ʹ͓͚ΔࠃࡍԽͷͨΊͷӦΈ͸ଟذʹΘͨΔ w ఏҊ͞ΕΔ࢓༷΋໘ന͍͚ͲɺͦΕҎ֎ͷ׆ಈ΋͋Δ͍ͩ͠͡ w ͔ͤͬ͘ॻ͍ͯΔ%PDVNFOU͸ಡ·Εͯཉ͍͠ͳ ࣗ෼΋গͣͭ͠ಡΜͰΔ ૝૾ΑΓ΋ͣͬͱগͳ͍ਓ͕ͳΜͱ͔ࢧ͍͑ͯΔঢ়ଶͩͬͨ w

ऴΘΓ