URLPattern: hostname property

The hostname read-only property of the URLPattern interface is a string containing the pattern used to match the hostname part of a URL.

This is the normalized value of the hostname pattern passed to the constructor, an inherited value from a baseURL passed to the constructor, or the default value ("*"), which matches any hostname.

Value

A string.

Examples

Basic usage

The following example creates a URLPattern object with *.example.org for the hostname part and logs the property. This pattern matches any hostname that is a direct subdomain of example.org.

const pattern = new URLPattern("https://*.example.org");
console.log(pattern.hostname); // '*.example.org'
console.log(pattern.test("https://horses.example.org")); // true

Specifications

Browser compatibility