CDN Resources for once

npm install once

yarn add once

pnpm add once

<script src="https://fastly.jsdelivr.net/npm/once"></script>

<script src="https://unpkg.com/once"></script>

<script type="module">
  import once from 'https://cdn.jsdelivr.net/npm/once/+esm';
</script>

<script type="module">
  import once from 'https://cdn.skypack.dev/once';
</script>