Context engineering—the art of shaping the data, metadata, and relationships that feed AI—may become the most critical ...

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Here's the error message that happens when JavaScript execution on a page (in my case, using page.evaluate) fails due to a page navigation event. page.evaluate: Execution context was destroyed, most ...

A fresh round of patches has been made available for the vm2 JavaScript library to address two critical flaws that could be exploited to break out of sandbox protections and achieve code execution.

Once the with statement exits, the LexicalEnvironment of the current Execution Context is restored to its previous state. According to the ECMAScript specification, function expressions may be ...