Do you know JavaScript arrays can have holes? How are empty slots different from undefined? And how do you differentiate between both? This article dives into sparse arrays and explains various way… (more…)

getAccounts, sendTransaction, estimateGas, and more... (more…)

Async iterators are arriving soon, and they make reading a stream really easy. Here's how they work, and how to make streams iterate… (more…)

An embeddable Javascript interpreter in C. Contribute to ccxvii/mujs development by creating an account on GitHub. (more…)

In Node.js, we can use WebAssembly modules and native C++ addons. If your app has performance critical parts, should you stay in JavaScript? Or write a nativ... (more…)