Shim

core-jsJavaScript

A modular standard library for JavaScript with polyfills for ECMAScript up to 2025 and web standards.

es6-shimJavaScript

ECMAScript 6 compatibility shims for legacy JavaScript engines, providing modern ES6 features in older environments.

ES6 shimJavaScript

A collection of JavaScript polyfills and shims for web platform features, enabling future-looking code across browsers.

harmony-reflectJavaScript

ES5 shim for ES6 Reflect and Proxy objects, providing compatibility for older JavaScript environments.

globalthisJavaScript

An ECMAScript spec-compliant polyfill/shim for the globalThis object.

object.valuesJavaScript

ES2017 spec-compliant shim for Object.values that works in ES3+ environments.

object.entriesJavaScript

ES2017 spec-compliant shim for Object.entries that works in ES3 environments.

object-keysJavaScript

A shim for Object.keys that provides a reliable implementation for environments where it's missing.

array-includesJavaScript

A spec-compliant polyfill for Array.prototype.includes that works in ES3+ environments.

Shim pluginPHP

A CakePHP plugin that provides compatibility shims to ease migration between major framework versions.

array.prototype.flatmapJavaScript

An ES2019 spec-compliant Array.prototype.flatMap shim/polyfill that works in ES3+ environments.

object.fromentriesJavaScript

ES spec-compliant polyfill for Object.fromEntries that shims the method in noncompliant or missing JavaScript environments.

object-isJavaScript

ES2015-compliant shim for Object.is that differentiates between -0 and +0 and correctly compares NaN.

ES6 Map ShimJavaScript

A destructive shim that implements the ES6 Map specification for environments lacking native support.

Array.ofJavaScript

An ES2015 spec-compliant polyfill for the Array.of method, providing robust ES3-compatible shimming.

string.prototype.trimJavaScript

ES5 spec-compliant shim for String.prototype.trim that corrects engine bugs and works in ES3 environments.

string.prototype.trimrightJavaScript

ES2019 spec-compliant shim for String.prototype.trimRight, providing polyfill functionality for older JavaScript environments.

string.prototype.trimleftJavaScript

ES2019 spec-compliant shim for String.prototype.trimLeft to ensure consistent string trimming behavior across JavaScript environments.

array.prototype.everyJavaScript

A spec-compliant polyfill for Array.prototype.every that works in ES3+ environments.

array.prototype.someJavaScript

A spec-compliant polyfill for Array.prototype.some that works in ES3+ environments.