files/en-us/web/api/url/username/index.md
{{ApiRef("URL API")}} {{AvailableInWorkers}}
The username property of the {{domxref("URL")}} interface is a string containing the username component of the URL. If the URL does not have a username, this property contains an empty string, "".
This property can be set to change the username of the URL. If the URL has no {{domxref("URL.host", "host")}} or its scheme is file:, then setting this property has no effect.
The username is {{Glossary("Percent-encoding", "percent-encoded")}} when setting but not percent-decoded when reading.
A string.
const url = new URL(
"https://anonymous:[email protected]/en-US/docs/Web/API/URL/username",
);
console.log(url.username); // Logs "anonymous"
{{Specifications}}
{{Compat}}