Upgrade to Pro — share decks privately, control downloads, hide ads and more …
Sign up for free

Visual Regression Testing With JavaScript

Avatar for Kevin Lorenz Kevin Lorenz
May 12, 2016
Technology
430
6

Visual Regression Testing With JavaScript

A talk about the whys and hows of visual regression testing.

Avatar for Kevin Lorenz

Kevin Lorenz

May 12, 2016

More Decks by Kevin Lorenz

See All by Kevin Lorenz
Your nesting is harmful – on abusing a preprocessor's feature
Avatar for Kevin Lorenz verpixelt
0
170

Other Decks in Technology

See All in Technology
AI駆動開発で仕様はどこまで書くべきか？ ― 人とAIの責務境界から考える開発プロセスの実践
Avatar for matsui-dmm takahiromatsui
1
250
Kiro Meetup #8 Kiro アップデート (2026/3/21〜2026/9/24)
Avatar for Katz Ueno katzueno
1
310
AI臭い文章とは何なのか
Avatar for Kiminori Yokoi nasuvitz
36
75k
キャリアLT今日までそして明日から
Avatar for Hiroo Katoh kentapapa
1
130
AIエージェント時代のPlatform as a Product —— テックリードがPdMとして回す発見・導入・計測 / Platform as a Product in the AI Agent Era
Avatar for Toshinori Sugita toshi0607
1
530
音声コミュニティを守るAI監視基盤_ 90%以上の入力削減を支えたServerless設計と運用判断
Avatar for 岡修平 shuheioka123
0
120
大阪オフィスに Unitree Go2 がやってきたので Physical AI やってみた
Avatar for dafujii dafujii
0
150
【Findyテック文化祭ワークショップ】新卒エンジニア&採用担当と作る、 なりたい姿と今やるべき一歩
Avatar for ディップ株式会社 dip_tech
PRO
0
150
「大丈夫そう？」をObservabilityで確かめる
Avatar for Yusuke Muramatsu mrmtsu
0
240
The kernel report
Avatar for Kernel Recipes ennael
PRO
1
150
ログラスのマルチプロダクトを 支える認証基盤 〜テナントごとに異なる統制とどう向き合うか〜
Avatar for Daiki Murayama dada4386
3
250
IR Today: Theory, Practice, and Agents
Avatar for Daniel Tunkelang dtunkelang
0
270

Featured

See All Featured
Designing for Timeless Needs
Avatar for Cassini Nazir cassininazir
1
510
Mozcon NYC 2025: Stop Losing SEO Traffic
Avatar for Sam Torres samtorres
1
560
YesSQL, Process and Tooling at Scale
Avatar for Rocio Delgado rocio
174
15k
The Cost Of JavaScript in 2023
Avatar for Addy Osmani addyosmani
55
10k
How to Get Subject Matter Experts Bought In and Actively Contributing to SEO & PR Initiatives.
Avatar for Liv Day livdayseo
0
200
Effective software design: The role of men in debugging patriarchy in IT @ Voxxed Days AMS
Avatar for Kenny Baas-Schwegler baasie
1
540
SEOcharity - Dark patterns in SEO and UX: How to avoid them and build a more ethical web
Avatar for Sara Fernández Carmona sarafernandez
0
290
Building AI with AI
Avatar for Ines Montani inesmontani
PRO
1
1.3k
Fashionably flexible responsive web design (full day workshop)
Avatar for Andy Clarke malarkey
409
67k
Design in an AI World
Avatar for tapps tapps
1
340
[RailsConf 2023 Opening Keynote] The Magic of Rails
Avatar for Eileen M. Uchitelle eileencodes
31
10k
Principles of Awesome APIs and How to Build Them.
Avatar for Keavy McMinn keavy
128
18k

Transcript

  1. VISUAL REGRESSION TESTING WITH JAVASCRIPT

  2. KEVIN LORENZ @verpixelt _

  3. None

  4. KEVIN LORENZ @verpixelt _

  5. CSS
 IS
 AWESOME

  6. ?

  7. TESTING /ˈtɛstɪŋ/

  8. TESTING /ˈtɛstɪŋ/

  9. CSS IS !IMPORTANT /css ɪz !ɪmˈpɔːtənt /

  10. DEFINITION /ˌdɛfɪˈnɪʃən/

  11. REASONING /ˈriːznɪŋ/

  12. CASCADING STYLE SHEETS /kæsˈkeɪdɪŋ staɪl ʃiːts/

  13. INHERITANCE /ɪnˈhɛrɪtəns/

  14. REFACTORING /ˌriːˈfæktərɪŋ/

  15. None

  16. COMPLEXITY /kəmˈplɛksɪti/

  17. COMPLEXITY /kəmˈplɛksɪti/

  18. RESPONSIVNESS /rɪsˈpɒnsɪvnəs/

  19. RESPONSIVNESS /rɪsˈpɒnsɪvnəs/

  20. REASONING /ˈriːznɪŋ/

  21. HUMAN FLAWS /ˈhjuːmən flɔːz/

  22. HUMAN FLAWS /ˈhjuːmən flɔːz/

  23. !

  24. HUMAN FLAWS /ˈhjuːmən flɔːz/

  25. HUMAN FLAWS /ˈhjuːmən flɔːz/

  26. None

  27. !?

  28. None

  29. INATTENTIONAL BLINDNESS /ˌɪnəˈtɛnʃən(ə)l ˈblaɪndnɪs/

  30. CHANGE BLINDNESS /ʧeɪnʤ ˈblaɪndnɪs /

  31. None

  32. HUMAN FLAWS /ˈhjuːmən flɔːz/

  33. HUMAN FLAWS /ˈhjuːmən flɔːz/

  34. TOOLING /ˈtuːlɪŋ/

  35. PHANTOM.JS CASPER.JS SELENIUM SLIMER.JS NIGHTWATCH.JS IMAGEMAGICK WEBDRIVER.IO APPLITOOLS
 EYES WEBDRIVER

    CSS
  36. None
  37. None
  38. None
  39. None
  40. None

  41. SYNOPSIS /sɪˈnɒpsɪs/

  42. SYNOPSIS /sɪˈnɒpsɪs/

  43. TECHNICAL PREVIEW /ˈtɛknɪkəl ˈpriːvjuː/

  44. learn.visualregressiontesting.com

  45. SYNOPSIS /sɪˈnɒpsɪs/

  46. SYNOPSIS /sɪˈnɒpsɪs/

  47. KÖSZÖNÖM A FIGYELMET! /thank your for your attention!/