shim
javascript
polyfill
es6
compatibility
symfony-component
symfony
symfony-polyfill
component
portable
ecmascript
ponyfill
proposals
proposal
weakmap
es2019
ecmascript-proposals
es2015
js
es7
promise
esnext
symbol
mbstring
es5
ecmascript6
zloirock/core-js501日前23.6k
Standard Library
symfony/polyfill-mbstring504日前7.8k
Symfony polyfill for the Mbstring extension
es-shims/es5-shim505日前7.1k
ECMAScript 5 compatibility shims for legacy (and modern) JavaScript engines
symfony/polyfill-php72505日前4.8k
Symfony polyfill backporting some PHP 7.2+ features to lower PHP versions
paulmillr/es6-shim503日前3.1k
ECMAScript 6 compatibility shims for legacy JS engines