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
Firefox DevTools
Search
Sponsored
·
Ship Features Fearlessly
Turn features on and off without deploys. Used by thousands of Ruby developers.
→
dynamis
March 31, 2012
Technology
2
760
Firefox DevTools
Firefox 標準の Developer Tools の紹介
Kanazawa.js 1.7 で利用
dynamis
March 31, 2012
Tweet
Share
More Decks by dynamis
See All by dynamis
Mozilla/Firefox L10n History
dynamis
0
200
Web Runtime
dynamis
6
6.8k
Post COVID-19 Network Analysis
dynamis
0
110
Web Ecosystem for Embedded Linux.pdf
dynamis
0
390
Video Streaming Analysis
dynamis
0
250
React License Violation
dynamis
6
4.2k
VideoMark Analysis
dynamis
1
180
Pi Zero IoT Workshop @ High School
dynamis
0
170
Open VideoMark Data
dynamis
1
440
Other Decks in Technology
See All in Technology
AI実装による「レビューボトルネック」を解消する仕様駆動開発(SDD)/ ai-sdd-review-bottleneck
rakus_dev
0
160
OCHaCafe S11 #2 コンテナ時代の次の一手:Wasm 最前線
oracle4engineer
PRO
2
150
AI時代のSaaSとETL
shoe116
1
190
1GB RAMのラズピッピで何ができるのか試してみよう / 20260319-rpijam-1gb-rpi-whats-possible
akkiesoft
0
460
Postman v12 で変わる API開発ワークフロー (Postman v12 アップデート) / New API development workflow with Postman v12
yokawasa
0
140
visionOS 開発向けの MCP / Skills をつくり続けることで XR の探究と学習を最大化
karad
1
730
GCASアップデート(202601-202603)
techniczna
0
220
スクリプトの先へ!AIエージェントと組み合わせる モバイルE2Eテスト
error96num
0
190
Go 1.26 Genericsにおける再帰的型制約 / Recursive Type Constraints in Go 1.26 Generics
ryokotmng
0
120
詳解 強化学習 / In-depth Guide to Reinforcement Learning
prinlab
0
290
ReactのdangerouslySetInnerHTMLは“dangerously”だから危険 / Security.any #09 卒業したいセキュリティLT
flatt_security
0
320
Zeal of the Convert: Taming Shai-Hulud with AI
ramimac
0
150
Featured
See All Featured
The AI Search Optimization Roadmap by Aleyda Solis
aleyda
1
5.4k
Docker and Python
trallard
47
3.8k
Fight the Zombie Pattern Library - RWD Summit 2016
marcelosomers
234
17k
Producing Creativity
orderedlist
PRO
348
40k
技術選定の審美眼(2025年版) / Understanding the Spiral of Technologies 2025 edition
twada
PRO
118
110k
The World Runs on Bad Software
bkeepers
PRO
72
12k
The Cult of Friendly URLs
andyhume
79
6.8k
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
smashingmag
254
22k
Avoiding the “Bad Training, Faster” Trap in the Age of AI
tmiket
0
100
From π to Pie charts
rasagy
0
150
Context Engineering - Making Every Token Count
addyosmani
9
760
Designing Powerful Visuals for Engaging Learning
tmiket
0
290
Transcript
Firefox DevTools Slides @ Kanazawa.js 1.7 with Mozilla by Tomoya
ASAI (dynamis) last update on 2012.03.30 see also: http://dynamis.jp/r
BCPVUNF http:// dynamis.jp @dynamitter facebook.com/ dynamis mailto: Tomoya ASAI <dynamis
mozilla-japan.org> @
'JSFCVHʁ ࠓѻ͍·ͤΜɻ طʹͬͯ·͢ΑͶʁ ใ͍ͬͺ͍͋ΔΑͶʁ ΈΜͳͰษڧͯ͠Ͷɻ
Page Source Inspector Style Editor Web Console Scratchpad Script Debugger
... Agenda
1BHF4PVSDF ιʔε͕ݟΒΕΔͷ͕8FC
None
ϖʔδͷιʔεΛදࣔ ͋Γ·͢ΑͶɺવɻ γϣʔτΧοτ$USM 6 'Y͔Βߦ൪߸දࣔʹରԠ બͨ͠෦ͷιʔεΛදࣔ
ൣғબͯ͠ӈΫϦοΫ
*OTQFDUPS σβΠφʔͷࡾछͷਆثʂ
None
$ISPNF63- 'JSFGPYͷ6*෦
*OTQFDUPS ཁૉΛௐࠪ͢Δπʔϧ γϣʔτΧοτ$USM "MU * ϚεΦʔόʔͰཁૉΛબ
ࢠͷཁૉύϯͣ͘Ϧετ· ͨ)5.-ϏϡʔͰબ͢Δ બ )JHIMJHIUFS ࣌ͷӄ͕Ξχ ϝʔγϣϯͰҠಈ͍͍ͯ֨͠
*OTQFDUPS)5.-&EJUPS )5.-ϦΞϧλΠϜΤσΟλ ଐੑμϒϧΫϦοΫͰฤूՄ ӈΫϦοΫ͔Βཁૉͷআɺ *OUFS)5.-0VUFS)5.-ίϐʔ ΑΓڧྗͳΤσΟλ
5SFF&EJUPS ݱࡏ։ൃத point!
*OTQFDUPS4UZMF*OTQFDUPS $44ϦΞϧλΠϜΤσΟλ ελΠϧͷฤूɺΦϯΦϑ ܭࢉελΠϧͷ֬ೝ ϓϩύςΟϔϧϓ.%/
ελΠϧมߋΞχϝʔγϣϯ ͯ͠'PYZͳײ͡ɻ ɾɾ
None
None
%*OTQFDUPS 5JMU %0.ߏΛ̏%ՄࢹԽ ςΫϊϩδʔͷແବݣ͍ ։ൃ࣌ແବػೳຬࡌͩͬͨ ը໘֎ཁૉͷબ؆୯
%දࣔˍબπʔϧͰ͢ point!
4UZMF&EJUPS ελΠϧΨϯΨϯॻ͖͑ͯΈΑ͏
None
4UZMF&EJUPS ϖʔδͷશ$44Ұׅฤू ฤूͨ͠$44อଘՄೳ ৽ن$44࡞ಡΈࠐΈՄೳ ϑΝΠϧ୯ҐͷΦϯΦϑ point!
8FC$POTPMF 'JSFGPY͔Βͷجຊπʔϧ
None
None
8FCίϯιʔϧ جຊతͳίϯιʔϧ γϣʔτΧοτ$USM "MU , දࣔҐஔ্ɺԼɺผΟϯυ
ϝοηʔδͷϑΟϧλ 'Y͔Βίϯιʔϧ։͘લͷ ϩάϝοηʔδه͞ΕΔ point!
؆қ+BWB4DSJQU࣮ߦڥ ؆қ+4࣮ߦڥ ίʔυͷࣗಈิ͋Γ 'Y͔ΒϩέʔγϣϯόʔͰͷ KBWBTDSJQU63-ϖʔδݖݶͳ͠ ιʔγϟϧΤϯδχΞϦϯάରԠ
ࠔΔͳΒ*OIFSJU1SJODJQBMΞυΦϯ IUUQTBEEPOTNP[JMMBPSH pSFGPYBEEPOJOIFSJUQSJODJQBM point!
ίϯιʔϧར༻࣌ͷҙ ίϯιʔϧ4BOECPYڥ 8FCϖʔδͷཁૉʹXJOEPX ܦ༝ͰΞΫηε͢Δඞཁ͋Γ ྫ͑ɺϖʔδίϯςΩετʹ άϩʔόϧมΛఆٛ͢Δʹ XJOEPXGPPWBMVF
*OTQFDUPSͰબ͍ͯ͠Δཁૉ ʹมͰΞΫηεՄೳ point! point!
/FUXPSL3FRVFTU*OTQFDUPS )551ϔομͷ֬ೝ ίϯιʔϧͷ63-ΛΫϦοΫ 3FRVFTU3FTQPOTFϔομ ௨৴࣌ؒ$PPLJFͷ֬ೝ
)551#0%:هՄೳ ӈΫϦοΫϝχϡʔ͔Βʮཁٻ ϘσΟͱԠϘσΟΛهʯ point!
4DSBUDIQBE &DMJQTF0SJPOଂͷ+4࣮ߦڥ
None
4DSBUDIQBE &DMJQTF0SJPOΤσΟλΛଂ γϣʔτΧοτ4IJGU ' ίʔυΛ࣮ߦɺௐࠪɺදࣔ ௐࠪΠϯεϖΫλը໘Λදࣔ
ද࣮ࣔߦ݁ՌΛίϝϯτͰૠೖ બൣғ͚ͩΛ࣮ߦՄೳʂ point!
4DSBUDIQBEར༻࣌ͷҙ 4DSBUDIQBE4BOECPYڥ 8FCϖʔδͷཁૉʹXJOEPX ܦ༝ͰΞΫηε͢Δඞཁ͋Γ ྫ͑ɺϖʔδίϯςΩετʹ άϩʔόϧมΛఆٛ͢Δʹ XJOEPXGPPWBMVF point!
4DSBUDIQBEGPS$ISPNF $POUFOU͚ͩͰͳ͘$ISPNF ڥͰར༻Մೳ BCPVUDPOpHͰ࣍ͷઃఆΛ EFWUPPMTDISPNFFOBCMFEUSVF ʮ࣮ߦڥʯϝχϡʔ͕Ճ ֦ுػೳ'JSFGPYຊମΛ։ൃ͢
Δ࣌ʹศརͰ͢ point!
4DSJQU%FCVHHFS ࠷Ͱ'JSFGPYඪʹ։ൃத
None
4DSJQU%FCVHHFS +BWB4DSJQUσόοΨͰ͢ γϣʔτΧοτ$USM "MU 4 ݱࡏ/JHIUMZͰσϑΥϧτΦϑ EFWUPPMTEFCVHHFSFOBCMFEUSVF
ϒϨʔΫϙΠϯτɺεςοϓ࣮ ߦɺίʔϧελοΫɺείʔϓม ͳͲطʹ࣮ࡁΈ
BOENPSF %FWFMPQFS5PPMCBS 4UZMF&EJUPSͷڧԽ ٙࣅΫϥεͷϩοΫɺࣗಈิɺૢ࡞ੑ্ *OTQFDUPSͷڧԽ ϨΠΞτใͷදࣔɺෳಉ࣌)JHIMJHIU RVFSZ4FMFDUPSݕࡧϘοΫε 4PVSDF.BQ ͳͲͳͲ
͓·͚ɻ
.BSJPOFUUF ͋ͳͨͷ'JSFGPYૢΓਓܗ
ϚϦΦωοτ ϦϞʔτςετυϥΠό 4FMFOJVNతͳͷͰ͢ #(։ൃͷͨΊ༏ઌ࣮͞Εͨ +40/Ͱ໋ྩΛϙʔτʹྲྀ͢ 1ZUIPOΫϥΠΞϯτ͋Γ
'JSFGPYඪ४ʹೖͬͯͳ͍ ಠࣗϏϧυͷ࡞͕ඞཁ
None
Any Question ?