JSPM

Aggregate of built-in types and

Some extra prototype functions for lazy developers

A small library which attempts to push prototypal inheritance to its natural conclusions in JavaScript. For ECMAScript 5.

Easily inherit prototypes.

JavaScript standard library extensions

Extended array methods

extension of globals console json and prototypes

A package that provides functions based on ruby language methods by adding them to Array, String and Number prototypes.

Practical JavaScript Prototype Extension Library

JavaScript/TypeScript class inheritance tools.

for making those pesky events sexy

Descriptive native js class creator

simple-prototype adalah class JavaScript untuk menangani prototype secara efisien, mendukung pembuatan object, pewarisan, komposisi, pengelolaan property/method, delegasi, dan cloning prototype.

Extend array methods with the power of the USA

A small extensions package which also supported typescript to handle your values gracefully.

tool for debugging prototypes in html and js

Some more cool Prototypes such as String.prototype.bold()!

protolibs.js by Max Edwards, a modular on-demand library of helper functions & classes, shareable between server and browser

A prototipe extension util functions

coding is fun