Has Packages

Check if a project is using Yarn

Confirms objects have a key or a set of keys as direct or inherited properties

detect javascript environment features

A tiny module which lets you check if a browser supports a feature.

A method to determine whether an object has a property with the specified property key. The property may be either an own or inherited. This method follows ECMAScript's specification for the 'HasProperty' abstract operation.

If your collection is missing the slot you want to work with, have it be created on the fly. Simple edition, aimed to be small and fast.

Takes an array, returns true if it contains one or more truthy items, otherwise returns false.

Checks if object has a key.

A javascript module to check the internet connectivity periodically to control the flow of app and restrict crashing of application.

Check that given string contain ANSI color codes, without CLI

check connectivity with for rm vpn desktop

Check if servers are reachable return with reason, forked from Sindresorhus

Check if an object is empty

To check the data is empty or not. And also check the type of object wheater Array, Object, Function, Number, String or Boolean

Checks for the existence of one or more keys in a Map, Object, or other collection. Supports nesting, loose key matching, and more.

Js (immutable) array helper.

Checks if array has a key.

Checks if array has a key.

R.has exported as a module

easy way to judge object has object for js