Lightweight test to see if a number is integer-ish.
Is this specifier a node.js core module?
Is this value an ES BigInt?
Is this value a JS Number object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Is this value a JS FinalizationRegistry? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag
Is this value a JS Date object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Is this value a JS String object or primitive? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
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
when you want to fire an event no matter how a process exits.
Determine if a function is a native async function.
Is this value a JS Map? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Brand checking of React Elements.
Determine if a function is a native generator function.
Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.
Is this JS value callable? Works with Functions and GeneratorFunctions, despite ES6 @@toStringTag.
Is this value a JS ArrayBuffer?
two functions: One that returns true, one that returns false
The `util.is*` functions introduced in Node v0.12.
Determine if a value is an ES6 Symbol or not.
Is this value negative zero? === will lie to you
Is this value a JS Boolean? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
React is a JavaScript library for building user interfaces.
tar for node