hasown
A robust, ES3 compatible, "has own property" predicate.
for-in
Iterate over the own and inherited enumerable properties of an object, and return an object with properties that evaluate to true from the callback. Exit early by returning `false`. JavaScript/Node.js
own-keys
Robustly get an object's own property keys (strings and symbols), including non-enumerables when possible
for-own
Iterate over the own enumerable properties of an object, and return an object with properties that evaluate to true from the callback. Exit early by returning `false`. JavaScript/Node.js.
