Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
const vs let
Search
Yosuke Furukawa
PRO
December 09, 2015
9
1.4k
const vs let
忘年🍣
Yosuke Furukawa
PRO
December 09, 2015
Tweet
Share
More Decks by Yosuke Furukawa
See All by Yosuke Furukawa
Node.js, Deno, Bun 最新動向とその所感について
yosuke_furukawa
PRO
1
520
Welcome JSConf.jp 2024
yosuke_furukawa
PRO
1
3.8k
tc39 x jsconf.jp Panel Discussion 2024
yosuke_furukawa
PRO
0
200
Removing Corepack
yosuke_furukawa
PRO
9
1.5k
JavaScript Runtime とはなにか
yosuke_furukawa
PRO
15
2.7k
Strip Types と Storage
yosuke_furukawa
PRO
4
370
Module Harmony について
yosuke_furukawa
PRO
3
1.6k
LTのやり方
yosuke_furukawa
PRO
16
2.4k
AppRouter Panel Talk
yosuke_furukawa
PRO
3
760
Featured
See All Featured
Stop Working from a Prison Cell
hatefulcrawdad
268
20k
GitHub's CSS Performance
jonrohan
1030
460k
Java REST API Framework Comparison - PWX 2021
mraible
29
8.4k
The Straight Up "How To Draw Better" Workshop
denniskardys
232
140k
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
356
29k
Typedesign – Prime Four
hannesfritz
41
2.5k
GraphQLの誤解/rethinking-graphql
sonatard
69
10k
The Psychology of Web Performance [Beyond Tellerrand 2023]
tammyeverts
46
2.4k
How To Stay Up To Date on Web Technology
chriscoyier
790
250k
Designing on Purpose - Digital PM Summit 2013
jponch
117
7.1k
Building a Modern Day E-commerce SEO Strategy
aleyda
38
7.1k
Imperfection Machines: The Place of Print at Facebook
scottboms
267
13k
Transcript
ͦΖͦΖMFUWTDPOTU ʹܾணΛ͚͍ͨ !ZPTVLF@GVSVLBXB
ՄมੑΛ࠷খݶʹ͢Δ w &⒎FDUJWF+BWB w શͯͷpFMEΛpOBMQSJWBUFʹ͢Δ w Մมͳͷઐ༻ͷΞΫηεखஈΛ༻ҙ͢Δ TFUUFSΈ͍ͨͳ
ՄมੑΛಋೖ͢ΔͱԿ͕μϝ ͳͷ͔ w &⒎FDUJWF+BWB w த͕উखʹॻ͖ΘΔͷΛ͙ͨΊʹޚతί ϐʔΛ͠ͳ͖Ό͍͚ͳ͍͕࣌͋Δɻ w εϨουΞϯηʔϑ w
Ωϟογϡʹऑ͍
͡Ό͋ٯʹ+4ʹͦΕඞཁͳ ͷ͔ w த͕উखʹॻ͖ΘΔͷΛ͙ͨΊʹޚతίϐʔΛ͠ͳ͖Ό͍ ͚ͳ͍͕࣌͋Δɻ w Ұ൪͋Γͦ͏ɻ w εϨουΞϯηʔϑ w
8FC8PSLFSBOE4IBSFE"SSBZ#V⒎FSͱ͔ w Ωϟογϡʹऑ͍ w ͔֬ʹɺͰͦΜͳΩϟογϡ+4Ͱ͏ͱϝϞϦϦʔΫͷݩ ʹͳΓͦ͏ɻ
͡Ό͋ٯʹ+4ʹͦΕඞཁͳ ͷ͔ w ҙຯʢബ͍͚Ͳʣ͋Δ w εϨουηʔϑͱ͔ࠓແ͍͔ΒඍົͬͪΌඍ ົ w େن։ൃͱ͔ͳΒҙຯ͋ΔʢෆมੑͰյΕ ΔͷΛ͙ޮՌʣɻ
DPOTU͚ͩͰ͛Δͷ͔ w ແཧ w DPOTU 0CKFDUGSFF[F w .BQ4FUJNNVUBCMFKTΈ͍ͨͳίϨΫγϣ ϯϥούʔ͕ඞཁʹͳΓͦ͏
ͦ͜·ͰΔͷʁ w ͬͯͳ͍X ݱঢ়ਓମ੍ w Θ͟Θ͟GSFF[Fͪΐͬͱ໘ɻ w ·ͯ͠JNNVUBCMFKTϥΠϒϥϦʹཔΔͱ͔ ΑͬΆͲͷঢ়گɻ
͡Ό͋Δҙຯ͋Δͷʁ w ݸਓతͳΔҙຯ w ϝϞϦͷઅ w ಡΉ࣌ʹAMFUAPSAWBSA͕͋Δͱɺมߋ͢Δ Մೳੑ͕͋Δมͱͯ͠ݟͳ͍ͱ͍͚ͳ͍ɻ w ʰมߋ͕ͳ͍ʱ͍ͬͯ͏͚ͩͰಡΉ࣌ʹָ
͡Ό͋Δҙຯ͋Δͷʁ w ྑ͔ͬͨ͜ͱ͋Δ w MFU͏ͱ͖GPSจΛϒϯճ͚࣌ͩ͢ʹݶఆ͞ ͤͨ w ٯʹMFUͰGPSจΛճͦ͏ͱͯ͠ΔίʔυΛݟΔ ͱʮ͓ʁʯͬͯؾ͚ͮΔΑ͏ʹͳͬͨɻ w
GPSͰճ͢ΑΓ"SSBZNFUIPEͬͯNBQͱ͔ pMUFSͱ͔SFEVDFͰ͏·͘ॻ͚ΔͰ͠ΐͬͯͳΔ
͡Ό͋Δҙຯ͋Δͷʁ w Γ͍ͨ͜ͱDPOTUΛڧ੍ͤ͞Δ͜ͱͰ w ॳֶऀͱҰॹʹͬͨ࣌ʹ͍ͭͬͪΌ͏۪ ͳॲཧ GPSจ͙Δ͙ΔJGจͰೖ ΛݮΒ ͢ w
มߋՄೳͳঢ়ଶΛͪΐͬͱ͚ͩগͳͯ͘͠ɺಡ Ή࣌ͷίετΛݮΒ͢
MFUͷ͕DPOTUΑΓ͍͡ΌΜ w ͦΕͳʁ w ͰɺͦͦͦΜͳʹͨ͘͞Μมએݴ͠ͳ ͍ɻ w MFU͕ଟ͍ͱͦΕͦΕͰมએݴଟ͍Μ͔ͩΒ ݟͳ͓ͨ͠΄͏͕ྑ͍ͷͰʁ
DMBTTͰpOBMͱ͔࡞ΕͶʔ ͠ w ͦΕͳʁ w EFGFOTJCMFDMBTTͱ͔ߟ͑ΕͯΔΒ͍ͥ͠ w IUUQXJLJFDNBTDSJQUPSHEPLVQIQ JETUSBXNBOEFGFOTJCMF@DMBTTFT
ͷதͰͷߟ͑ w ࠓҙຯ͕ബ͍ͩΖ͏͚ͲɺࠓޙεϨουηʔ ϑͱ͔ߟ͑ͳ͖Ό͍͚ͳ͍͕࣌+4དྷΔ ʢͣʣ w DMBTTͷදݱ͕গͳ͍͚Ͳࠓޙ૿͑Δͣ w DPOTUʹ͓ͯ͘͜͠ͱͰؔܕελΠϧͷॻ͖ํ ʹ׳Ε͓ͯ͘͜ͱʹҙຯ͋Δͣ
݁ w DPOTU͓͏