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A Front-End Web Developer’s Guide to Testing

Web Application Development Challenges

Understand the core challenges front-end developers face such as ensuring cross-browser compatibility, managing CSS layouts like Flexbox and Grid, addressing JavaScript version differences, and balancing release velocity with application quality using Agile and test automation techniques. This lesson guides you through key pain points and solutions shaping modern web app development.

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The digital transformation over the years has increased the complexities of building outstanding web applications. By outstanding, we mean apps that can function properly across all web browsers, mobile devices, and operating systems, across various environment conditions, and under massive load conditions.

In addition, with the rise of digitalization, security and accessibility have become key requirements for any application prior to its release.

In an insightful reportMDN Web Docs. (2020). “MDN Browser Compatibility Report 2020.” [Online]. Available: https://mdn.dev/archives/insights/reports/mdn-browser-compatibility-report-2020.html. published by two of the leading browser vendors, Mozilla and Google, it was clear how complicated it is to build a web application that’s compatible with all technologies and platforms on the market. One of the top items found in this study was about ensuring compatibility with old browsers, even with the old and end-of-life Internet Explorer 11 ...