URLPattern.hash

The hash property of the URLPattern interface is a USVString containing the pattern used to match the fragment part of a URL. This value may differ from the input to the constructor due to normalization.

A USVString.

The below example creates a URLPattern object with books/:id for the hash part. This pattern matches any fragment that starts with books/ and ends with an arbitrary string identifier.

const pattern = new URLPattern('https://example.org#books/:id');
console.log(pattern.hash); // 'books/:id'