The port
property of the URL
interface is a string containing the port number of the URL.
Note: If an input string passed to the URL()
constructor doesn't contain an explicit port number (e.g., https://localhost
) or contains a port number that's the default port number corresponding to the protocol part of the input string (e.g., https://localhost:443
), then in the URL
object the constructor returns, the value of the port property will be the empty string: ''
.
Note: This feature is available in Web Workers