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&4%PD &4࣌୅ͷυΩϡϝϯςʔγϣϯπʔϧ

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ؙࢁ྄!IJNBSV $PPLQBE*OD

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ॕ&$."4DSJQU BLB&4

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&4࣌୅ͷ։ൃ؀ڥ ࢲݟ

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&4࣌୅ͷ։ൃ؀ڥ ࢲݟ ίʔυ &4 #BCFM ςετ .PDIB QPXFSBTTFSU υΩϡϝϯτ +4%PD

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+4%PDʹର͢Δෆຬ &4ʹະରԠ W JTTVF  ग़ྗ͞ΕΔυΩϡϝϯτ͸΋ͬͱগ͠޻෉Ͱ͖Δ &4࣌୅ʹ͸ෆཁͳλά͕ଟ͍ ίʔυϕʔε͕&4 ಺෦Ͱ/PEFKTͱ3IJOP͕ࠞࡏ͍ͯ͠Δ

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&4࣌୅ͷ։ൃ؀ڥ ࢲݟ ίʔυ &4 #BCFM ςετ .PDIB QPXFSBTTFSU υΩϡϝϯτ +4%PD

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&4࣌୅ͷ։ൃ؀ڥ ࢲݟ ίʔυ &4 #BCFM ςετ .PDIB QPXFSBTTFSU υΩϡϝϯτ &4%PD

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&4%PD OQNJOTUBMMFTEPD

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&4%PD w &4ʹରԠ w ׬શରԠʹ͸·ͩͪΐͬͱ଍Γͳ͍ w 3FBDU+49ʹ΋ରԠ

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&4%PD

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&4%PD

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&4%PDͷΰʔϧ ιʔείʔυΛݟͳͯ͘΋
 ιϑτ΢ΣΞΛ࢖͏͜ͱ͕Ͱ͖Δ
 υΩϡϝϯτΛੜ੒͢Δ͜ͱ

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&4%PDͷΰʔϧ ιʔείʔυΛݟͳͯ͘΋
 ιϑτ΢ΣΞΛ࢖͏͜ͱ͕Ͱ͖Δ
 υΩϡϝϯτΛੜ੒͢Δ͜ͱ υΩϡϝϯτͷੑ࣭Λߟ͑ͯΈͨ

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υΩϡϝϯτͷੑ࣭ w ܧଓੑ w ࣮༻ੑ w ໢ཏੑ w ؔ࿈ੑ w ݕࡧੑ

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υΩϡϝϯτͷੑ࣭ w ܧଓੑˠΧόϨοδ w ࣮༻ੑˠৄࡉͳ৘ใ w ໢ཏੑˠ੩తղੳΈ͍ͨͳ΋ͷ  w ؔ࿈ੑˠςετͱͷΠϯςάϨʔτ w ݕࡧੑˠݕࡧ &4%PDͰͷ࣮ݱํ๏

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ΧόϨοδ w υΩϡϝϯτͷΧόϨοδ w શମͰԿॻ͔Ε͍ͯΔ͔ w ':*JODIDJPSH ܧଓੑ

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ΧόϨοδ ܧଓੑ

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ৄࡉͳ৘ใ ΫϥεҰཡ ϝιουҰཡ ϓϩύςΟҰཡ ܧঝؔ܎ ܧঝϝιου ΦʔόʔϥΠυϝιο υ Ҿ਺ ໭Γ஋ σϑΥϧτҾ਺ δΣωϦΫε %FQSFDBUFE &YQFSJNFOUBM 50%0 όʔδϣϯ ֎෦Ϋϥε FUD ࣮༻ੑ

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੩తղੳͷΑ͏ͳ΋ͷ w λά͕ແͯ͘΋υΩϡϝϯτΛੜ੒ w &4ͷσϑΥϧτҾ਺Λ࢖ͬͯҾ਺ͷܕΛਪଌ w SFUVSOจ͔Β໭Γ஋ͷܕΛਪଌ /** * this is useful function. */ function foo(p = 123) { return `p = ${p}`; } ໢ཏੑ

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੩తղੳͷΑ͏ͳ΋ͷ w λά͕ແͯ͘΋υΩϡϝϯτΛੜ੒ w &4ͷσϑΥϧτҾ਺Λ࢖ͬͯҾ਺ͷܕΛਪଌ w SFUVSOจ͔Β໭Γ஋ͷܕΛਪଌ ·࣮ͩݧతͳ࣮૷ͳͷͰੑ ೳ͸͓࡯͍ͩ͘͠͞ /** * this is useful function. */ function foo(p = 123) { return `p = ${p}`; } ໢ཏੑ

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ςετͱͷΠϯςάϨʔτ w ςετ΋ॏཁͳυΩϡϝϯτ w ΫϥεϝιουͷυΩϡϝϯτ㱻ର৅ͷςετ ؔ࿈ੑ

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ςετͱͷΠϯςάϨʔτ w ςετ΋ॏཁͳυΩϡϝϯτ w ΫϥεϝιουͷυΩϡϝϯτ㱻ର৅ͷςετ ؔ࿈ੑ

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ςετͱͷΠϯςάϨʔτ w ςετ΋ॏཁͳυΩϡϝϯτ w ΫϥεϝιουͷυΩϡϝϯτ㱻ର৅ͷςετ ؔ࿈ੑ

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ςετͱͷΠϯςάϨʔτ w ઃఆϑΝΠϧͰςετίʔυͷσΟϨΫτϦΛࢦఆ w ςετίʔυʹAA!UFTU\'PPCBS^AAΛهड़ /** @test {Foo} */ describe(‘Foo is useful class’, ()=>{ /** @test {Foo#bar} */ it(‘is useful method’, ()=>{ let foo = new Foo(); assert(typeof foo.bar, ‘function’); }); }); ؔ࿈ੑ

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ςετͱͷΠϯςάϨʔτ w ઃఆϑΝΠϧͰςετίʔυͷσΟϨΫτϦΛࢦఆ w ςετίʔυʹAA!UFTU\'PPCBS^AAΛهड़ /** @test {Foo} */ describe(‘Foo is useful class’, ()=>{ /** @test {Foo#bar} */ it(‘is useful method’, ()=>{ let foo = new Foo(); assert(typeof foo.bar, ‘function’); }); }); ݱࡏ͸.PDIBͷΈͷରԠ ؔ࿈ੑ

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ݕࡧ w Ϋϥε໊
 ϝιου໊
 ϓϩύςΟ໊
 ϑΝΠϧ໊
 ςετ໊ w ݕࡧΠϯσοΫε ݕࡧੑ

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ͦͷଞ

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Πϯϙʔτύε w υΩϡϝϯτͰJNQPSUͷํ๏ΛݟΕΔ

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ΧελϚΠζ w ೚ҙͷ+4ͱ$44Λ૊ΈࠐΊΔ w ϑοΫϙΠϯτͷఏڙΛݕ౼த w λάͷύʔεޙ)5.-ͷੜ੒ޙ

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ෆཁͳλάΛ࡟আ w +4%PDݸ w &4%PDݸ w Α͘࢖͏ͷ͸ݸఔ౓ w &4ʹͳͬͯෆཁʹͳͬͨ΋ͷ͕ଟ͍ w ओʹΫϥεؔ࿈

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վળ͕ඞཁͳͱ͜Ζ

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վળ͕ඞཁͳͱ͜Ζ w υΩϡϝϯτͷϏϧυ࣌ؒ w ߦ!.#1ඵ w ࣮੷͕গͳ͍ͷͰෆ۩߹͕·ͩ͋Δ w FTEPDJTTVFT w ϗεςΟϯά w SVCZEPDJOGPͱ͔HPEPDPSHΈ͍ͨͳͷཉ͍͠

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·ͱΊ

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·ͱΊ w &4ͷυΩϡϝϯτͳΒ&4%PDࢼͯ͠Έͯʂ w υΩϡϝϯτॻ͘ͱॻ͖खʹ΋͍͍͜ͱ͕͋Δʂ w *TTVF134UBS͓଴͍ͪͯ͠·͢ʂ 5IBOLZPVGPSDPOUSJCVUJPO

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એ఻

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$PEF-VODIGN (P '1(" 1)1 FUD

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͓ΘΓ w FTEPDPSH w DPEFMVODIGN w JODIDJPSH w HJUIVCDPNKTEPDKTEPDJTTVFT