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
Web Developer Tools in Modern Browsers
Search
othree
January 12, 2013
Programming
7.2k
12
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
Web Developer Tools in Modern Browsers
othree
January 12, 2013
More Decks by othree
See All by othree
How GitHub Supports Vim License Detection, The Five Years Journey
othree
1
2.3k
WAT JavaScript Date
othree
3
2.3k
Modern HTML Email Development
othree
3
2.8k
MRT & GIT
othree
1
2.5k
YAJS.vim and Vim Syntax Highlight
othree
1
3.2k
Web Trends to 2015
othree
4
370
Transducer
othree
9
3.2k
HITCON 11 Photographer
othree
4
570
fetch is the new XHR
othree
6
3.7k
Other Decks in Programming
See All in Programming
Simple Storage Service(S3) is not simple
iwatsukayura
0
300
ChromeでローカルLLM
ryu1013
0
160
AIで開発が速くなった先で、開発チームは何を目指すか
shihochan
1
1.7k
ソニーのクラウド共通基盤の変遷とAI時代の開発スタイルに合わせた進化 / The Journey of Sony’s Common Cloud Platform and Its Evolution for AI-Native Development
kenjiyoneyama
0
290
[Rails World 2026] Durable orchestration on Rails: from continuation to workflow
palkan
1
860
AmebaブログはKMPから卒業します
kmars0605
0
210
Web Framework Benchmark Battle 2026, Any%
a_matsuda
2
2.7k
IBM Bob Dojo #1 仕様駆動開発入門
oniak3ibm
PRO
0
410
[2026-10-14](C)Re:ゼロから始める異世界生活〜始まりの終わりと終わりの始まり〜
tosite
0
140
當我們開始不讀 Code - AI Agent 時代,Code Review 與 Clean Code 還剩下什麼?
jame2408
1
290
Optunaを作ったときにやりたかったこと、その後 (2026/10/16, Optuna Meetup #3)
iwiwi
2
1.1k
Atomic Design, Enforced: Scaling Mobile Design Systems (next.app devCon / droidCon Berlin 2026)
steliosf
PRO
0
180
Featured
See All Featured
Paper Plane
katiecoart
PRO
5
54k
AI Search: Where Are We & What Can We Do About It?
aleyda
0
8.1k
Into the Great Unknown - MozCon
thekraken
41
2.8k
Effective software design: The role of men in debugging patriarchy in IT @ Voxxed Days AMS
baasie
1
570
Getting science done with accelerated Python computing platforms
jacobtomlinson
2
540
What the history of the web can teach us about the future of AI
inesmontani
PRO
2
750
Mozcon NYC 2025: Stop Losing SEO Traffic
samtorres
1
580
The agentic SEO stack - context over prompts
schlessera
0
970
How to make the Groovebox
asonas
2
2.5k
Done Done
chrislema
187
17k
[Rails World 2026] Durable orchestration on Rails: from continuation to workflow
palkan
1
860
The Curious Case for Waylosing
cassininazir
1
570
Transcript
Web Developer Tools in Modern Browsers othree @ WebConf
Past
None
None
How Developers Debugging
None
None
Problems • Only script debugging • Error messages are not
useful
The Most Powerful Debugging Function
alert
Present
Text
None
None
None
None
None
Rich Internet Applications
None
2004
None
Take Back the Web
2007
None
Firebug • First modern browser developer tool • by Joe
Hewitt
None
None
Modern Dev Tool Functions • Inspect DOM Tree • Style
Lookup • Useful Debug Message • Monitor Network • Performance Tuning • ...
Modern Dev Tools • Firebug for Firefox • Developer Tool
for Chrome/Safari • Dragonfly for Opera
None
None
None
Demo Time
One More Thing
Firebug Lite
Firebug Lite • Browser independent • Supports all major browser
including IE
Take a Look
Further Reading
Things I didn’t know about the WebKit inspector
Wait, DevTools could do THAT?
Improving Web App Performance With the Chrome DevTools Timeline and
Profiles
Using the Heap Profiler in Chrome Dev Tools
Secrets of the Chrome Developer Tools
My Workflow: Never having to leave DevTools
Documents • Console API • Command Line API • Chrome
Developer Tools • Opera Dragonfly Documentation
Questions?
me • othree • Twitter, Plurk, flickr, Github, PTT •
Blog: https://blog.othree.net • F2E at HTC
Thanks