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
JavaScript Debugging with Chrome DevTools [Part 1]
Search
Cassian LUP
July 31, 2013
Programming
2
160
JavaScript Debugging with Chrome DevTools [Part 1]
A brief introduction in Chrome Developer Tools.
Cassian LUP
July 31, 2013
Tweet
Share
More Decks by Cassian LUP
See All by Cassian LUP
Warping Time with Async/Await
cassilup
5
94
Docker for WebDevs
cassilup
0
85
TypeScript: The Good Cop
cassilup
0
170
NodeConf London 2016 Summary
cassilup
0
29
Working with the DOM and Living to Tell
cassilup
0
50
How To Hack (Together) An Environment
cassilup
0
85
Appium • Mobile Automation Made Awesome (Part II)
cassilup
0
76
Appium • Mobile Automation Made Awesome (Part I)
cassilup
0
110
Introduction into PhoneGap
cassilup
0
70
Other Decks in Programming
See All in Programming
詳解!defer panic recover のしくみ / Understanding defer, panic, and recover
convto
0
230
@Environment(\.keyPath)那么好我不允许你们不知道! / atEnvironment keyPath is so good and you should know it!
lovee
0
110
請來的 AI Agent 同事們在寫程式時,怎麼用 pytest 去除各種幻想與盲點
keitheis
0
110
複雑なドメインに挑む.pdf
yukisakai1225
5
1.1k
[FEConf 2025] 모노레포 절망편, 14개 레포로 부활하기까지 걸린 1년
mmmaxkim
0
1.6k
デザイナーが Androidエンジニアに 挑戦してみた
874wokiite
0
280
Putting The Genie in the Bottle - A Crash Course on running LLMs on Android
iurysza
0
140
RDoc meets YARD
okuramasafumi
4
170
MCPでVibe Working。そして、結局はContext Eng(略)/ Working with Vibe on MCP And Context Eng
rkaga
5
2.2k
2025 年のコーディングエージェントの現在地とエンジニアの仕事の変化について
azukiazusa1
22
11k
開発チーム・開発組織の設計改善スキルの向上
masuda220
PRO
19
11k
プロポーザル駆動学習 / Proposal-Driven Learning
mackey0225
2
1.2k
Featured
See All Featured
Put a Button on it: Removing Barriers to Going Fast.
kastner
60
4k
YesSQL, Process and Tooling at Scale
rocio
173
14k
The Language of Interfaces
destraynor
161
25k
Context Engineering - Making Every Token Count
addyosmani
1
29
Intergalactic Javascript Robots from Outer Space
tanoku
272
27k
Side Projects
sachag
455
43k
Raft: Consensus for Rubyists
vanstee
140
7.1k
Code Reviewing Like a Champion
maltzj
525
40k
Designing for Performance
lara
610
69k
VelocityConf: Rendering Performance Case Studies
addyosmani
332
24k
Agile that works and the tools we love
rasmusluckow
330
21k
The Invisible Side of Design
smashingmag
301
51k
Transcript
None
0 ) C o m m o n - s
e n s e ! c o n c e p t s . !
there%is%[SIMPLY]% no%such%thing% as%a% bug$free$ app%
learning% is%a%% ››%process%‹‹% ((not$ %% an%event%
without% a%debugger% is%like% going%to%war.$
without% a%debugger% is%like% going%to%war.$ Blindfolded.$
1 ) C h r o m e D e
v T o o l s. ! B a s i c U s a g e . !
Getting there:! % ›%%CTRL%+%SHIFT%+%J%%%%(COMMAND%+%OPTION%+%J)% % ›%%Right%Click%+%Inspect%Element% % ›%%Hotdog%Menu%(%%%%%%)%›%Tools%›%Developer%Tools%
2) HTML ! Elements ! Hands-on. ! [ “ H
T M L ” , “ e l e m e n t s ” ] ! %
[ “ H T M L ” , “ e
l e m e n t s ” ] ! %
3) JS Console! Hands-on. ! [ “ J S ”
, “ c o n s o l e ” ] ! %
[ “ J S ” , “ c o n
s o l e ” ] ! %
4) JS Sources! Hands-on. ! [ “ J S ”
, “ s o u r c e s ” ] ! %
[ “ J S ” , “ s o u
r c e s ” ] ! %
! › Google: “[error keywords] js”! (Stack Overflow, forums etc.)!
› https://developers.google.com/chrome-developer-tools/! › http://discover-devtools.codeschool.com/! › http://jsfiddle.net/! ! [ “ E n d i n g ” , “ t h o u g h t s ” ] ! %
[ “ E n d i n g ” ,
“ t h o u g h t s ” ] ! %