checks whether a given number is a hardshad number, a hardshad number is an integer that is divisible by the sum of its digits.

Node.js CLI program to calculate and log OEE data obtained from MQTT server to InfluxDB

Functions from the world of recreational mathematics

A simple module that simulates the life cycle of an amoeba at the molecular level by using a (semi) TRNG.

A Node-RED node that counts messages that pass through it

A Node-RED node to add all incoming numbers and display total as output.

Calculate and log OEE data obtained from MQTT server to InfluxDB - This application is part of Bufferstack.IO Super Factory Suite

Is this JS value callable? Works with Functions and GeneratorFunctions, despite ES6 @@toStringTag.

Determine if a function is a native generator function.

Is this value a JS Boolean? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Is this specifier a node.js core module?

Determine if a value is an ES6 Symbol or not.

Is this value an ES BigInt?

Is this value negative zero? === will lie to you

Is this value a JS Typed Array? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.

Infer the content-type of a request.

Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a bet

Determine if a function is a native async function.

Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag

Is this value a JS WeakRef? This module works cross-realm/iframe, and despite ES6 @@toStringTag.