URL: protocol property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

Note: This feature is available in Web Workers.

The protocol property of the URL interface is a string containing the protocol or scheme of the URL, including the final ":".

This property can be set to change the protocol of the URL. A ":" is appended to the provided string if not provided. The provided scheme has to be compatible with the rest of the URL to be considered valid.

Value

A string.

Examples

js
const url = new URL(
  "https://developer.mozilla.org/en-US/docs/Web/API/URL/protocol",
);
console.log(url.protocol); // Logs "https:"

Specifications

Specification
URL
# dom-url-protocol

Browser compatibility

See also

  • The URL interface it belongs to.