es6-object-assign

ECMAScript 2015 (ES6) Object.assign polyfill and ponyfill

v1.1.0 URL: https://unpkg.com/es6-object-assign@1.1.0/index.js

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Object assign ES6 ECMAScript 6 ES2015 ECMAScript 2015 polyfill ponyfill

wink-helpers

Functions for cross validation, shuffle, cartesian product and more

v2.0.0 URL: https://unpkg.com/wink-helpers@2.0.0/src/wink-helpers.js

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Array Object String Helper Cartesian Product Frequency Table Validate Validation Sort Pluck Shuffle Random Shuffle Cross Validation Machine Learning

object.hasown

ES spec-compliant shim for Object.hasOwn

v1.1.4 URL: https://unpkg.com/object.hasown@1.1.4/index.js

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Object hasOwn polyfill shim es-shim API

object-extended

Additional object extensions with a chainable api

v0.0.7 URL: https://unpkg.com/object-extended@0.0.7/index.js

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Object extender utilities

redefine

A lightweight utility for ES6 like classes and an easier ES5 aware object properties definition introducing new, performance oriented, patterns.

v0.2.1 URL: https://unpkg.com/redefine@0.2.1/build/redefine.js

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super ES5 ES6 defineProperty defineProperties Object create inheritance security bind bound lazy performance safe mixin Class OOP