JavaScript web applications vulnerable to bugs due to dynamic code loading.
Analyzing JavaScript web applications in the real world is tough due to their dynamic nature. Researchers developed an open-source analysis framework called SAFE to tackle this challenge. They found that static analysis approaches are not always effective due to the dynamic characteristics of JavaScript. The study highlights technical challenges in analyzing different types of JavaScript programs and web applications, and identifies areas for future research such as events, callback functions, and hybrid web applications.