And more useful than I thought.

Abstract: Prototype pollution is a type of recently-discovered, impactful vulnerability that affects JavaScript code. One important yet challenging research problem of prototype pollution is how to ...

You can access the current version of the book in the chapters directory or in PDF format (both Light and Dark modes are available) by clicking here. Note that this ...

Discover 8 best online JavaScript compilers to practice code instantly. Compare features, speed, and ease of use. Start coding today!

Java and JavaScript are entirely different languages despite their similar names. Java is compiled and widely used for enterprise systems and Android apps, while JavaScript powers interactive websites ...

Some sex differences in brain-connectivity patterns become more pronounced with age, according to new research. Researchers studying brain-imaging data from people aged between 8 and 100 found that ...

Strip the types and hotwire the HTML—and triple check your package security while you are at it. JavaScript in 2026 is just getting started. I am loath to inform you that the first month of 2026 has ...

A critical sandbox escape vulnerability has been disclosed in the popular vm2 Node.js library that, if successfully exploited, could allow attackers to run arbitrary code on the underlying operating ...

A critical-severity vulnerability in the vm2 Node.js sandbox library, tracked as CVE-2026-22709, allows escaping the sandbox and executing arbitrary code on the underlying host system. The open-source ...

Node.js has released updates to fix what it described as a critical security issue impacting "virtually every production Node.js app" that, if successfully exploited, could trigger a denial-of-service ...