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URLPattern: protocol property

files/en-us/web/api/urlpattern/protocol/index.md

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{{APIRef("URL Pattern API")}} {{AvailableInWorkers}}

The protocol read-only property of the {{domxref("URLPattern")}} interface is a string containing the pattern used to match the protocol part of a URL.

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

Value

A string.

Examples

Basic usage

The following example creates a {{domxref("URLPattern")}} object with http{s}? for the protocol part and logs the property. This pattern matches any URL that has the http or https protocol.

js
const pattern = new URLPattern({ protocol: "http{s}?" });
console.log(pattern.protocol); // 'http{s}?'
console.log(pattern.test("https://example.com/shoes?q=baby")); // true

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}