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Write Code
Every Day
Takuto Wada a.k.a @t_wada
Apr 25, 2016
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5BLVUP8BEB
JEUXBEB
!U@XBEB
HJUIVCUXBEB
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No content
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assert(typeof item.id === 'strong')
| | | |
| | | false
| | "foo"
| Item{id:"foo",name:"bar"}
"string"
--- [string] 'strong'
+++ [string] typeof item.id
@@ -1,6 +1,6 @@
str
-o
+i
ng
I am the author of power-assert-js
power-assert
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ΑΖ͓͘͠ئ͍͠·͢
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w K2VFSZ࡞ऀ+PIO3FTJHिʹࣗͷϓϩ
μΫτ։ൃΛؤுΖ͏ͱ͕ͨ͠ɺࣦഊɻ
w ฏͱಉ͡അྗͰॻ͚ͳ͍
w શͯͷि͕ۭ͍͍ͯΔΘ͚Ͱͳ͍
w Ұिؒ ͋Δ͍ೋिؒ
͍ɻίʔυ
ΛΕͯ͠·͏
w ͦ͜Ͱ+PIO3FTJH͕ߦͬͨ͜ͱʜʜ
͋ͷ+PIO3FTJHͰ͏·͍͔͘ͳ͍͜ͱ
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IUUQFKPIOPSHCMPHXSJUFDPEFFWFSZEBZ
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ຖίʔυΛॻ͘͜ͱɻϒϩάɺυΩϡϝϯ
τɺͦͷଞίʔυΛॻ͍ͨΒͬͯΑ͍ɻ
ҙຯͷ͋ΔίʔυΛॻ͘͜ͱɻΠϯσϯτ
ϑΥʔϚοτͷमਖ਼ɺՄೳͳΒϦϑΝΫ
λϦϯάίʔυॻ͖ʹΧϯτ͠ͳ͍ɻ
ਂ࣌લʹऴΘΒͤΔ͜ͱɻ
ॻ͍ͨίʔυΛHJUIVCͰશͯ044ʹ͢Δ
͜ͱɻ
࢛ͭͷϧʔϧ
IUUQFKPIOPSHCMPHXSJUFDPEFFWFSZEBZ
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ݱࡏͷ!KFSFTJHͷHJUIVCQSPpMF
IUUQTHJUIVCDPNKFSFTJH
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w ඞཁ࠷খݶͷίʔυͷूதҰʙ࣌ؒఔͰҙ
ຯͷ͋ΔίʔυΛॻ͘͜ͱ͕ڧ͍ΒΕΔ ٳʹͬͱ
͔͚ΒΕΔ
w ϓϩάϥϛϯάͷश׳ԽHJUIVCʹΛੜ͢ͷ͕తͰ
ͳ͍ɻࣗͰࣗࣗͷͨΊʹੜ׆श׳Λม͑Δͷ͕େ
ࣄ
w ෆ҆ͱͷઓ͍ҎલʮेʹʯਐΜͰ͍Δ͔ɺʮे
ʹʯ͍ͯ͠Δ͔ɺෆ͕҆͋ͬͨɻຖίʔυΛॻ͍ͯ
ΈͯɺਐΜͰ͍Δͱ͍͏࣮ײɺ࣮ࡍͷਐḿͱಉ͘͡Β͍
ॏཁͩͱ͍͏ؾ͖ͮΛಘͨ
+PIO3FTJHʹىͬͨ͜มԽ
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w िͷա͔ͨ͝͠Ҏલ։ൃͷશͯΛिʹṌ͚ࣦͯ
ഊ͍͕ͯͨ͠ɺ͍·िͦΕ΄ͲॏཁͰͳ͘ͳΓɺ
ϦΞϧϥΠϑΛॆ࣮Ͱ͖ΔΑ͏ʹͳͬͨ
w όοΫάϥϯυॲཧࢄาதɺγϟϫʔதɺৗʹίʔ
υͷ͜ͱΛόοΫάϥϯυͰߟ͑ΔΑ͏ʹͳΓɺྑ
͍ΞΠσΞ͕ු͔ͿΑ͏ʹͳͬͨ
w ίϯςΫετεΠονҎલिʹҰճͷ։ൃͩͬͨͷ
ͰίϯςΫετεΠονͷίετ͕͕͋ͬͨɺ͍·
ຖͳͷͰͦΕ͕ͳ͍
+PIO3FTJHʹىͬͨ͜มԽ
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w ϫʔΫϥΠϑόϥϯεࣄੜ׆ࣗͷϓϩδΣΫτ
ͷόϥϯεͷऔΓํ͕͔ͬͨͷ͕࠷େͷऩ֭ͩͬͨɻ
ຖΔͱ͍͏͜ͱɺόϥϯεΛऔΔͱ͍͏͜ͱ
w ·ΘΓ͔ΒͷཧղʮຖίʔυΛॻ͘ʯͱ͍͏श׳Λ
ެݴͨ͜͠ͱͰɺύʔτφʔ͔ΒͷཧղಘΒΕΔΑ
͏ʹͳͬͨ
w ͲΕ͚ͩίʔυΛॻ͍͔ͨ͜ͷश׳Λଓ͚Δͱॻ͘
ίʔυΞτϓοτࣗͰ֮͑ΒΕͳ͍͘Β͍
ͷྔʹͳΓɺॆ࣮ײΛಘΒΕΔ
+PIO3FTJHʹىͬͨ͜มԽ
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ཁ͢ΔʹےτϨͷΑ͏ͳͷ͔
IUUQISOBCJDPN
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lτϨʔχϯά͕ܧଓՄೳͰ͋ΔΑ͏ʹҙࣝ͠ͳ͕Β
ࣄΛ͍ͯ͘͠ͱɺӡಈ৯ࣄɺ͋ͱੜ׆श׳ͱ͍
͏ͷͷॏཁੑʹؾͮ͘͜ͱ͕Ͱ͖Δͱࢥ͍·͢z
lͪΌΜͱతΛ࣋ͭ͜ͱɻهΛ৳͢Α͏ʹΒ
ͳ͍ͱޮՌ͕ͳ͍Α͏ʹࢥ͏ΜͰ͢ɻهΛ৳ͨ͠
͍ͱࢥ͑Δ͔Ͳ͏͔ͬͯɺʮ͖ͷόϩϝʔλʔʯͷ
ͭͰ͢z
IUUQISOBCJDPN
ѲྗԦڼ͍ͬͯΔ
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ࢲνϟϨϯδதͰ͢
͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠