Shim Packages

Zepto.js shim built full with all available modules.

Shim to add support for window.location.origin to old browsers

URLSearchParams standard with extras

A collection of polyfills to bring ExtendScript to ES6 standards.

Lightweight replacement for the ow validation library meant for browser usage.

An ES5 mostly-spec-compliant `Object.getPrototypeOf` sham/polyfill/replacement that works in as many engines as possible

Middleware for functions

browserify v2 middleware to prepend es5-shim

工具类，在 IE6 下生成 iframe 遮挡 select 和 object。此组件对开发者透明，开发者无需再判断浏览器版本。

Cross-browser JavaScript shim that fully implements element.classList (referenced on MDN)

Standard library

JS module polyfill for HTML dialog element.

ES6 Harmony like collections Map and Set

Web Components Polyfills

Pre-process javascript files as they get `require`d

提供`javascript`部分功能模拟。

Browser polyfill for making NativeScript compatible with web libs like pixi.js, three.js, phaser.js

Drop-in replacement shim to make ow validation library a noop in production.

Convert between JavaScript UCS-2-encoded strings and OCaml-friendly UTF-8 byte-arrays

An ES-spec-compliant `parseInt` shim/polyfill/replacement that works as far down as ES3