The origin
property returns the protocol, hostname and port number of the href
attribute value.
This property is read-only.
Return the protocol, hostname and port number of a link:
var x = document.getElementById("myAnchor").origin;
Click the button to display the origin of the link.
<!DOCTYPE html> <html> <body> <p><a id="myAnchor" href="http://www.java2s.com:1234">Example link</a></p> <button onclick="myFunction()">Test</button> <p id="demo"></p> <script> function myFunction() {/*from w ww . j a v a 2 s. c om*/ var x = document.getElementById("myAnchor").origin; document.getElementById("demo").innerHTML = x; } </script> </body> </html>