Name
getPort — Return the port extracted from a URL
Usage
URL.getPort(url)
url
Description
Returns the port number extracted from
url. Both relative and absolute URLs are
supported. Returns the empty string if url
doesn’t specify a port.
Returns invalid if url
can’t be converted to a string or can’t be parsed as a
URL.
Examples
URL.getPort("http://www.inhand.net:80/")returns string "80"
URL.getPort("http://www.inhand.net/")returns string ""
URL.getPort("http://www.inhand.net:xxx/")returns invalid
URL.getPort(invalid)
returns invalid
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