For example in JavaScript typeof {} and [] both are object, so this module
is a simple to check what it is.
npm i iskindof --save
const iskindof = require('iskindof')
iskindof.isString('string') === true
iskindof.isArray([]) === true
iskindof.isFunction(function(){}) === true
iskindof.isNumber(1) === true
iskindof.isBoolean(true) === true
iskindof.isObject({}) === true
iskindof.isUndefined(Undefined) === true
iskindof.isObject({}) === true
iskindof.isDate(new Date()) === true
MIT