Returns an array of all enumerable symbol properties found directly upon a given object
Define multiple non-enumerable properties at once. Uses Object.defineProperty
when available; falls back to standard assignment in older engines.
Define a data property on an object. Will fall back to assignment in an engine without descriptors.
Define a non-enumerable property on an object. Uses Reflect.defineProperty when available, otherwise Object.defineProperty.
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