Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Sign up for free
Menu
Search
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Pricing
Search
Sign in
Sign up for free
20190122_vdom.pdf
Search
Sponsored
·
SiteGround - Reliable hosting with speed, security, and support you can count on.
→
ozaki25
January 22, 2019
Technology
91
0
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
20190122_vdom.pdf
ozaki25
January 22, 2019
More Decks by ozaki25
See All by ozaki25
20210526_a11y.pdf
ozaki25
0
210
20210525_react_next.pdf
ozaki25
0
160
Webフロントエンドはなぜ複雑なのか
ozaki25
1
150
utility first css
ozaki25
0
120
20201225_how_to_learn_technology.pdf
ozaki25
0
190
20201124_blitz.pdf
ozaki25
0
110
20200727_liff_app.pdf
ozaki25
1
690
20200721_web_vitals.pdf
ozaki25
0
130
20200624_web_otp_api.pdf
ozaki25
1
150
Other Decks in Technology
See All in Technology
あなたの知らないAmazon VPC Route Server/Amazon VPC Route Server you don't know about
masakiokuda
0
140
企業の現実世界をグラフで写し取る
sansantech
PRO
0
190
エージェントはローカル、検証はMicroVM — Lambda MicroVMsでつくるServerless CI
fujioka6789
4
870
The kernel report
ennael
PRO
1
130
認知負荷を吸収し、プロダクトをまたぐPR Preview基盤の設計事例
taiki45
2
540
IR Today: Theory, Practice, and Agents
dtunkelang
0
240
10年欲しかった音楽管理アプリを、AIと一緒に作りはじめた
judau
1
180
HolmesGPTで始めるSREエージェント入門!プラットフォームの障害調査はAIにお任せ 〜
sanghyuk
0
240
20260930_Gemma4_Hands-on
tsho
0
120
20260915deck.gl-raster を使ってみた
rena1208
0
150
高負荷プロダクション環境におけるAWS Lambdaのリアル 〜スケールとコストを左右する実行ライフサイクルの技術仕様〜
maimyyym
2
810
Argo CDとAtlantisで実現するインフラ管理のセルフサービス化──小規模SREチームで支えるプラットフォーム
cassius7
0
240
Featured
See All Featured
Noah Learner - AI + Me: how we built a GSC Bulk Export data pipeline
techseoconnect
PRO
0
440
Mobile First: as difficult as doing things right
swwweet
225
10k
Un-Boring Meetings
codingconduct
0
430
First, design no harm
axbom
PRO
2
1.3k
The B2B funnel & how to create a winning content strategy
katarinadahlin
PRO
1
540
AI Search: Implications for SEO and How to Move Forward - #ShenzhenSEOConference
aleyda
1
1.4k
The browser strikes back
jonoalderson
0
1.7k
From Legacy to Launchpad: Building Startup-Ready Communities
dugsong
0
340
Thoughts on Productivity
jonyablonski
76
5.4k
Are puppies a ranking factor?
jonoalderson
2
4k
Neural Spatial Audio Processing for Sound Field Analysis and Control
skoyamalab
0
530
How to Think Like a Performance Engineer
csswizardry
28
2.8k
Transcript
Ծ%0.ֵ໋
࣍ ࠓճ͢༰ Ծ%0.͕ඞཁͱ͞ΕΔഎܠͱྺ࢙ Ծ%0.ͷΈ ·ͱΊ
ࠓճ͢༰
ࠓճ͢༰ w 8&# %#13&447PMͷʮԾ%0. ֵ໋ʯͱ͍͏ίϥϜ͕ݩωλͰ͢ w ϕʔε্هίϥϜͰ͕͢ݴٴ͞Εͯͳ͍෦ ʹؔͯ͠ಠࣗͷݟղଟؚ͘Έ·͢ w ΦϦδφϧ͕ಡΈ͚ͨΕିͤΔͷͰֻ
͚͍ͯͩ͘͞ https://gihyo.jp/magazine/wdpress/archive/2018/vol106
Ծ%0.͕ඞཁͱ͞ΕΔഎܠͱྺ࢙
%0.ͷྺ࢙ᶃ ).5-ͷੜ ࠒ w ͱͱݚڀऀ͚ͷจΛॻͨ͘ΊʹΘΕ͍ͯͨ w λΠτϧ͕͋Γ UJUMF ɺݟग़͕͋͠Γ
I I ɺύϥά ϥϑ͕͋Γ Q w Πϯλʔωοτͷൃలʹͬͯ༻్͕͕͍ͬͯ͘
%0.ͷྺ࢙ᶄ %0. %PDVNFOU0CKFDU.PEFM ͷੜ w %0.ͱ w )5.-Λಈతʹ੍ޚ͢Δ"1*ͷ༷
w ඪ४Խஂମ8$ʹΑͬͯࡦఆ͞ΕΔ
%0.ͷྺ࢙ᶄ %0. %PDVNFOU0CKFDU.PEFM ͷੜ w %0.ͱ w )5.-Λಈతʹ੍ޚ͢Δ"1*ͷ༷
w ඪ४Խஂମ8$ʹΑͬͯࡦఆ͞ΕΔ +BWB4DSJQUʹΑͬͯ)5.-Λಈతʹ੍ޚͰ͖ΔΑ͏ʹͳΔ ಈతʹ੍ޚͰ͖ΔΑ͏ʹͳΔ ϖʔδભҠͤͣʹ)5.-Λॻ͑ΒΕΔ
Ծ%0.ొલᶃ "KBYֵ໋ ࠒ w (PPHMF.BQTͷֵ৽ੑ w ΞΫγϣϯʹԠͯ͡ಈతʹαʔόΞΫηε ͦͷϨεϙϯεʹԠͯ͡ϖʔδΛॻ͖͑Δ w
K2VFSZͷ࣌ w ϒϥβؒͷඇޓΛٵऩͯ͘͠ΕΔ w ࣌ϒϥβؒͷޓੑ͕͔ͬͨ͠
Ծ%0.ొલᶄ 8FCٕज़ͷधཁͷߴ·Γ w J1IPOFͷ'MBTIඇࡌܾఆ ˞ w ϦονϝσΟΞͷ࣮धཁ͕+BWB4DSJQUʹूத w /PEFKTOQNΤίγεςϜͷख़
ࠒʙ w +BWB4DSJQUͷݴޠతͳශऑ͞ΛΧόʔ w $P⒎FF4DSJQU #SPXTFSJGZ ※ https://www.apple.com/hotnews/thoughts-on-flash/
·ͱΊ w %0.ʹΑͬͯ)5.-ಈతͳͷʹ w 'MBTIͷସͱͯ͠+BWB4DSJQUͷཁٻ͕ෳࡶԽ w /PEFKTOQNʹΑΔΤίγεςϜͷख़ͱෳࡶԽ
Ծ%0.ԿΛղܾ͢Δͷ͔
ΫϥΠΞϯταΠυٕज़ͷ՝ w K2VFSZͷΑ͏ͳԾ%0.Ͱͳ͍ैདྷͷٕज़ͷ՝ w ن͕େ͖͘ෳࡶԽ͢ΔͱϝϯςࠔͰٕज़తෛ࠴ͱͳΔ ෳࡶͳཁٻʹ͑͏ΔΞʔΩςΫνϟ͕ඞཁ
ೖग़ྗͷΞτϛοΫੑ αʔόαΠυͷ߹ w ΞτϛοΫੑ͕͋Δ w ϦΫΤετϨεϙϯε㲈8FCϖʔδ w ಉ͡63-ʹΞΫηε͢Ε ಉ͡ϖʔδ͕දࣔ͞ΕΔ
αʔό Ϸμεφϕ(URL) ϹφϪЀφ(HTML) ϒϥβ ϹЀύϷЀν WebϧЄυ
ೖग़ྗͷΞτϛοΫੑ ΫϥΠΞϯταΠυͷ߹ w ΞτϛοΫੑ͕ͳ͍ w ϦΫΤετϨεϙϯε㱠8FCϖʔδ w αʔόαΠυͰੜͨ͠)5.-ॳظঢ় ଶʹ͗͢ͳ͍ w
%0.ૢ࡞ʹΑΓ͋ΒΏΔঢ়ଶॻ͖ ͑ΒΕಘΔ αʔό Ϸμεφϕ(URL) ϹφϪЀφ(HTML) ϒϥβ ϹЀύϷЀν WebϧЄυ DOM 䨗䟵͞ DOM 䨗䟵͞ WebϧЄυ WebϧЄυ
ΫϥΠΞϯταΠυʹΞτϛοΫੑΛ "TJT w ΫϥΠΞϯταΠυ༷ʑͳཁ ҼͰঢ়ଶ͕มΘΔ w ϘλϯΛΫϦοΫͨ͠Βʙɺ "KBYͰσʔλΛऔಘͨ͠Βʙ w ঢ়ଶ͕มΘΔʹ%0.ͷ্ॻ
͖͕ܧ͗͞Ε͍ͯ͘ 5PCF w ঢ়ଶ͕ߋ৽͞ΕΔʹঢ়ଶʹଈ ͨ͠Ұҙͳ7JFXΛग़ྗ͍ͨ͠ w ʮೖྗʹج͍ͮͨঢ়ଶܾఆͷΞ τϛοΫੑʯΛखʹೖΕ͍ͨ
ΫϥΠΞϯταΠυͷΞτϛοΫੑ༗ແͷྫ ϘλϯΛΫϦοΫ͢Δͱཁૉ͕૿͑Δαϯϓϧ Ճ Hello Ճ Hello Hello ΫϦοΫ
μϷϐμͫ͵ͩ;Ψ䭥ᎣͭͼᥝᔰΨ᭄ےͯΡ ίϕϬϐμ͚͢ ίϕϬϐμ͘͢Ρ Ճ Hello Ճ Hello Hello ΫϦοΫ \DPVOU^ ˣ \DPVOU^ μϷϐμͫ͵Οᇫ䙪ΨๅෛͯΡ ᇫ䙪ΨزኮᶎΨ䯤塈ͭൈኮͯΡ ᇫ䙪
ΫϥΠΞϯταΠυͷΞτϛοΫੑ༗ແͷྫ ϘλϯΛΫϦοΫ͢Δͱཁૉ͕૿͑Δαϯϓϧ Ճ Hello Ճ Hello Hello ΫϦοΫ
μϷϐμͫ͵ͩ;Ψ䭥ᎣͭͼᥝᔰΨ᭄ےͯΡ ίϕϬϐμ͚͢ ίϕϬϐμ͘͢Ρ Ճ Hello Ճ Hello Hello ΫϦοΫ \DPVOU^ ˣ \DPVOU^ μϷϐμͫ͵Οᇫ䙪ΨๅෛͯΡ ᇫ䙪ΨزኮᶎΨ䯤塈ͭൈኮͯΡ ᇫ䙪 ඳը༰ͷܧ͗͠Ͱͳ͘ ঢ়ଶΛݩʹશମΛ࠶ߏங͢Δ
ΫϥΠΞϯταΠυͷΞτϛοΫੑ༗ແͷྫ ϘλϯΛΫϦοΫ͢Δͱཁૉ͕૿͑Δαϯϓϧ Ճ Hello Ճ Hello Hello ΫϦοΫ
μϷϐμͫ͵ΟᥝᔰΨ᭄ےͯΡ ίϕϬϐμ͚͢ ίϕϬϐμ͘͢Ρ Ճ Hello Ճ Hello Hello ΫϦοΫ \DPVOU^ ˣ \DPVOU^ μϷϐμͫ͵Οᇫ䙪ΨๅෛͯΡ ᇫ䙪ΨزኮᶎΨ䯤塈ͭൈኮͯΡ ঢ়ଶΛ֬ఆ͢Δεςοϓͱ )5.-Λߋ৽͢Δεςοϓ͕ ໌֬ʹ͞ΕΔ ඳը༰ͷܧ͗͠Ͱͳ͘ ঢ়ଶΛݩʹશମΛ࠶ߏங͢Δ
ΫϥΠΞϯταΠυͷΞτϛοΫੑ༗ແͷྫ ϘλϯΛΫϦοΫ͢Δͱཁૉ͕૿͑Δαϯϓϧ Ճ Hello Ճ Hello Hello ΫϦοΫ
μϷϐμͫ͵ΟᥝᔰΨ᭄ےͯΡ ίϕϬϐμ͚͢ ίϕϬϐμ͘͢Ρ Ճ Hello Ճ Hello Hello ΫϦοΫ \DPVOU^ ˣ \DPVOU^ μϷϐμͫ͵Οᇫ䙪ΨๅෛͯΡ ᇫ䙪ΨزኮᶎΨ䯤塈ͭൈኮͯΡ ͜ΕΛ࣮ݱ͢ΔͨΊʹ ͔ܽͤͳ͍ͳٕज़͕Ծ%0.
ΞτϛοΫੑ͕͋ΔͱԿ͕͍͍ͷ͔ ۀͰ͖Δ w ϓϩάϥϚʔͷؔ৺ঢ়ଶཧ w σβΠφʔͷؔ৺ೖྗΛݩʹͨ͠ग़ྗ ϝϯςφϏϦςΟ্ w 7JFXͷ࠶ݱੑ͕୲อ͞ΕΔͷͰཧ͍͢͠ w
7JFX͕Γ͞ΕΔͷͰঢ়ଶཧͷςετ͕͍͢͠
Ծ%0.ͷΈ
ͳͥԾ%0.͕ඞཁ͔ w ΞτϛοΫੑ͕͋ΔΞʔΩςΫνϟ w ঢ়ଶΛͱʹը໘શମΛ࠶ߏங͢Δ w ը໘શମͷॻ͖͑ίετ͕ߴ͘ϢʔβϏϦςΟଛͳ͏ Ծ%0.Λ͏͜ͱͰ͜ͷ͕ղফ͞ΕΔ
Ծ%0.ͱ3FBM%0. 3FBM%0. w ը໘ʹඳը͞Ε͍ͯΔ%0.π Ϧʔͷ͜ͱ Ծ%0. ڱٛ
w 3FBM%0.ͱͰରԠ͢Δߏ ମͰϝϞϦ্ʹอ͍࣋ͯ͠Δ 9 : ; 9 : ;
Ծ%0.ͷΞϧΰϦζϜ RealDOM 㫪మDOM \DPVOU^ w ϘλϯΛΫϦοΫ͢Δͱཁૉ͕૿͑Δαϯϓϧ CVUUPO )FMMP EJW CVUUPO
)FMMP EJW
Ծ%0.ͷΞϧΰϦζϜ RealDOM 㫪మDOM \DPVOU^ w ϘλϯΛΫϦοΫ͢Δͱཁૉ͕૿͑Δαϯϓϧ CVUUPO )FMMP EJW CVUUPO
)FMMP EJW ΫϦοΫ
Ծ%0.ͷΞϧΰϦζϜ RealDOM 㫪మDOM \DPVOU^ ˣ \DPVOU^ w ϘλϯΛΫϦοΫ͢Δͱཁૉ͕૿͑Δαϯϓϧ CVUUPO )FMMP
EJW CVUUPO )FMMP EJW ΫϦοΫ ঢ়ଶΛߋ৽
Ծ%0.ͷΞϧΰϦζϜ RealDOM 㫪మDOM \DPVOU^ w ϘλϯΛΫϦοΫ͢Δͱཁૉ͕૿͑Δαϯϓϧ CVUUPO )FMMP EJW CVUUPO
)FMMP EJW before CVUUPO )FMMP EJW )FMMP ߋ৽ޙͷঢ়ଶΛݩʹ Ծ%0.Λ࠶ߏங after
Ծ%0.ͷΞϧΰϦζϜ RealDOM 㫪మDOM \DPVOU^ w ϘλϯΛΫϦοΫ͢Δͱཁૉ͕૿͑Δαϯϓϧ CVUUPO )FMMP EJW CVUUPO
)FMMP EJW before CVUUPO )FMMP EJW )FMMP after ࠩΛൺֱ͢Δ
Ծ%0.ͷΞϧΰϦζϜ RealDOM 㫪మDOM \DPVOU^ w ϘλϯΛΫϦοΫ͢Δͱཁૉ͕૿͑Δαϯϓϧ CVUUPO )FMMP EJW before
CVUUPO )FMMP EJW )FMMP after ࠩΛ3FBM%0.ʹ өͤ͞Δ CVUUPO )FMMP EJW )FMMP
Ծ%0.ͷΞϧΰϦζϜ RealDOM 㫪మDOM \DPVOU^ w ϘλϯΛΫϦοΫ͢Δͱཁૉ͕૿͑Δαϯϓϧ CVUUPO )FMMP EJW )FMMP
CVUUPO )FMMP EJW )FMMP ߋ৽ྃ
Ծ%0.ͷΞϧΰϦζϜ RealDOM 㫪మDOM \DPVOU^ w ϘλϯΛΫϦοΫ͢Δͱཁૉ͕૿͑Δαϯϓϧ CVUUPO )FMMP EJW )FMMP
CVUUPO )FMMP EJW )FMMP 3FBM%0.ͷߋ৽࠷খݶͳͷͰॻ͑ͷίετ࠷খݶ
Ծ%0.Λ༻͍ͨϑϨʔϜϫʔΫ w 3FBDU͕ઌۦ͚తͳϑϨʔϜϫʔΫͰ͋Δ w ࠷ۙͷ41"ϑϨʔϜϫʔΫͲΕԾ%0.Λ࠾༻͍ͯ͠Δ w ˞Ծ%0.ͷΞϧΰϦζϜͷ͜ͱΛ୯ʹԾ%0. ٛ
ͱ͍͏ ͜ͱ͋Δ
·ͱΊ
·ͱΊ w ΫϥΠΞϯταΠυͷཁٻෳࡶԽ͖͍ͯͯ͠Δ w 'MBTIͷସͱͯ͠ͷ+BWB4DSJQU w ෳࡶͳཁٻΛܧଓతʹຬ͍ͨͯ͘͠ඞཁ͕͋Δ w ΞτϛοΫੑͷ͋ΔΞʔΩςΫνϟ͕ඞཁ w
Ծ%0.Λ༻͍Δ͜ͱͰ͜ΕΒͷཁٻΛຬͨ͢͜ͱ͕Ͱ͖Δ
ิ w ίϥϜશষͰ͕ͨ͠ࠓճͨ͠ͷষʙষͰ͢ w ষʹΫϥΠΞϯταΠυ.7$͔Β'MVYͷมભͷ w ষʹ8FCҎ֎ͷԾ%0.ͷద༻ͷ͕ॻ͍ͯ͋Γ·͢
͋Γ͕ͱ͏͍͟͝·ͨ͠