Constructor de polyfills

Construye bundles de polyfills personalizados para navegadores antiguos

3 POLYFILLS (~6.7 KB)

Standard Web API Features

Generated Bundle Snippets

<script src="https://polyfill.io/v3/polyfill.min.js?features=structured-clone,resize-observer-polyfill,promise.allsettled"></script>

import 'core-js/actual/structured-clone';
import '@juggle/resize-observer';
import 'core-js/actual/promise/all-settled';

// Conditional Polyfill Loader
(async () => {
  const polyfills = [];
  if (!('structuredClone' in window)) {
    polyfills.push(import('core-js/actual/structured-clone'));
  }
  if (!('resizeObserver' in window)) {
    polyfills.push(import('@juggle/resize-observer'));
  }
  if (!('promiseAllSettled' in window)) {
    polyfills.push(import('core-js/actual/promise/all-settled'));
  }
  await Promise.all(polyfills);
})();