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The Lodash method `_.isFunction` exported as a module.
If isFunction(callbackfn) is false, throw a TypeError exception.
Is it a function?
TypeScript definitions for lodash.isfunction
Test if a value is a function.
Validates if a value is a function.
This library provides next util: isBoolean, isFunction, isNumber, isNumbers, isObject and isString, function can be object, number can not be NaN.
Check if a value is a function
Simple function test
Check if a value is a function. ```javascript const lolite = require("lolite.isfunction") const assert = require("node:assert")
TypeScript definitions for is-function
check if an AST node is a function of some sort
utils for daybrush
Check if a value's a function.
Isomorphic, functional type-checking for Javascript
checks if value is a function
Test whether a given value is a function.
Determine whether a given value is a function object.
Common JavaScript utilities for the Sapphire Community
Tests the input for correct and reasonable conditions, such as isObject, isFunction etc...