Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Visual Regression Testing With JavaScript

Avatar for Kevin Lorenz Kevin Lorenz
May 12, 2016
Technology
6
410

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
Tweet

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
150

Other Decks in Technology

See All in Technology
小さく始めるBCP ― 多プロダクト環境で始める最初の一歩
Avatar for kekke-n kekke_n
1
370
ZOZOにおけるAI活用の現在 ~開発組織全体での取り組みと試行錯誤~
Avatar for ZOZO Developers zozotech
PRO
5
4.9k
仕様書駆動AI開発の実践： Issue→Skill→PRテンプレで 再現性を作る
Avatar for 西岡 賢一郎 (Kenichiro Nishioka) knishioka
2
620
AIエージェントを開発しよう！-AgentCore活用の勘所-
Avatar for YukiOgawa yukiogawa
0
100
ブロックテーマでサイトをリニューアルした話 / 2026-01-31 Kansai WordPress Meetup
Avatar for Toro_Unit (Hiroshi Urabe) torounit
0
460
名刺メーカーDevグループ 紹介資料
Avatar for Sansan, Inc. sansan33
PRO
0
1k
モダンUIでフルサーバーレスなAIエージェントをAmplifyとCDKでサクッとデプロイしよう
Avatar for みのるん minorun365
4
170
変化するコーディングエージェントとの現実的な付き合い方 〜Cursor安定択説と、ツールに依存しない「資産」〜
Avatar for empitsu empitsu
4
1.3k
Contract One Engineering Unit 紹介資料
Avatar for Sansan, Inc. sansan33
PRO
0
13k
プロポーザルに込める段取り八分
Avatar for ShoheiMitani shoheimitani
1
180
AzureでのIaC - Bicep? Terraform? それ早く言ってよ会議
Avatar for Toru Makabe torumakabe
1
480
OWASP Top 10:2025 リリースと 少しの日本語化にまつわる裏話
Avatar for Riotaro OKADA okdt
PRO
3
550

Featured

See All Featured
JAMstack: Web Apps at Ludicrous Speed - All Things Open 2022
Avatar for David Neal reverentgeek
1
320
Have SEOs Ruined the Internet? - User Awareness of SEO in 2025
Avatar for Akash Hashmi akashhashmi
0
270
YesSQL, Process and Tooling at Scale
Avatar for Rocio Delgado rocio
174
15k
Making the Leap to Tech Lead
Avatar for Ryan Cromwell cromwellryan
135
9.7k
No one is an island. Learnings from fostering a developers community.
Avatar for Antonio thoeni
21
3.6k
How to Align SEO within the Product Triangle To Get 
Buy-In & Support - #RIMC
Avatar for Aleyda Solis aleyda
1
1.4k
Introduction to Domain-Driven Design and Collaborative software design
Avatar for Kenny Baas-Schwegler baasie
1
580
Docker and Python
Avatar for Tania Allard trallard
47
3.7k
HDC tutorial
Avatar for Michiel Stock michielstock
1
370
So, you think you're a good person
Avatar for Per Axbom axbom
PRO
2
1.9k
Building Flexible Design Systems
Avatar for Yesenia Perez-Cruz yeseniaperezcruz
330
40k
A Tale of Four Properties
Avatar for Chris Coyier chriscoyier
162
24k

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!/