Front-end code is the closest to the user and runs on their browser or inside their hybrid mobile applications. Front end code relies on third-party code components provided by vendors and open-source projects. Some of the most serious cybersecurity attacks target front-end codes. The number of JavaScript kilobytes requested per page loaded has increased over the past decade by 408% for desktop devices and 689% for mobile devices. This clearly demonstrates the growing reliance of web applications on JavaScript. The testing will only work well, however, if developers make recording application behavior prior to deployment a regular, regular practice.”]
Source: https://www.darkreading.com/application-security/digital-transformation-risks-in-front-end-code