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UI Testing with Puppeteer

You're reading from   UI Testing with Puppeteer Implement end-to-end testing and browser automation using JavaScript and Node.js

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Product type Paperback
Published in Mar 2021
Publisher Packt
ISBN-13 9781800206786
Length 316 pages
Edition 1st Edition
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Author (1):
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Dario Kondratiuk Dario Kondratiuk
Author Profile Icon Dario Kondratiuk
Dario Kondratiuk
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Table of Contents (12) Chapters Close

Preface 1. Chapter 1: Getting started with Puppeteer 2. Chapter 2: Automated Testing and Test runners FREE CHAPTER 3. Chapter 3: Navigating through a website 4. Chapter 4: Interacting with a page 5. Chapter 5: Waiting for elements and network calls 6. Chapter 6: Executing and Injecting JavaScript 7. Chapter 7: Generating Content with Puppeteer 8. Chapter 8: Environments emulation 9. Chapter 9: Scraping tools 10. Chapter 10: Evaluating and Improving the Performance of a Website 11. Other Books You May Enjoy

Understanding the browser's market share

Before getting into all the emulation features Puppeteer provides, I would like to discuss how the browser's market share looks these days. I believe that will give you a clear picture of the importance of testing and emulating different scenarios.

The browser's popularity over the years

We have lived through lots of changes over the past 25 years. Browsers have been dramatically adopted and discarded. Let's take a look at this table made by Nick Routley in his post Internet Browser Market Share (1996–2019) (https://www.visualcapitalist.com/internet-browser-market-share/):

Although I used Netscape Navigator, I wasn't there at its peak back in 1995. But I remember the days when the only browser that mattered was Internet Explorer.

The community was living through browser fatigue back in 2008, when Google Chrome was launched, causing a massive number of users to move to Google...

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