Promises, handlers, and chains are foundations of modern JavaScript, but they can be tricky. Here are four common traps to ...

A recent Hacker News post looked at the reverse engineering of TikTok’s JavaScript virtual machine (VM). Many commenters assumed the VM was malicious, designed for invasive tracking or ...

On Sept. 12, 2001, crazed by the terrorist attack of the previous day and by the death of a friend a few days earlier, he let himself be bitten by two cobras. They were his first bites by live ...

You can think of a plug-in as a code ... vowels example a little bit: Instead of storing the total in an ephemeral plug-in var, let's store it in a persistent key-value store! Wasm can't use our KV ...

Write a function to filter data based on the value of that input. For example ... are text and not code if you are storing text in a variable inside a notebook’s JavaScript cell.

JavaScript, however, has no way to declare types. Because JavaScript has no syntax for declaring the type of a variable, you must use comments in the code to ... For an example implementation of ...