npm install valid-urlyarn add valid-urlpnpm add valid-url<script src="https://fastly.jsdelivr.net/npm/valid-url"></script><script src="https://unpkg.com/valid-url"></script><script type="module">
import validurl from 'https://cdn.jsdelivr.net/npm/valid-url/+esm';
</script><script type="module">
import validurl from 'https://cdn.skypack.dev/valid-url';
</script>