isRegExp_.isRegExp(object) Returns true if object is a RegExp.

isEqual_.isEqual(object, other) Performs an optimized deep comparison between the two objects, to determine if they should be considered

isDate_.isDate(object) Returns true if object is a Date.

create_.create(prototype, props) Creates a new object with the given prototype, optionally attaching props as own properties

tap_.tap(object, interceptor) Invokes interceptor with the object, and then returns object. The primary purpose

isObject_.isObject(value) Returns true if value is an Object. Note that JavaScript arrays and functions are objects

isBoolean_.isBoolean(object) Returns true if object is either true or false.

pairs_.pairs(object) Convert an object into a list of [key, value] pairs.

isString_.isString(object) Returns true if object is a String.

isNumber_.isNumber(object) Returns true if object is a Number (including NaN).