Javascript Reference - HTML DOM Anchor hostname Property

The hostname property sets or gets the hostname part of the href attribute.

Browser Support


`hostname`	Yes	Yes	Yes	Yes	Yes

Syntax

Return the hostname property:

var v = anchorObject.hostname

Set the hostname property:

anchorObject.hostname = hostname;

Property Values

Value	Description
hostname	Set the URL hostname

Return Value

A String representing the domain name or IP address.

Example

The following code shows how to get the hostname.


<!DOCTYPE html>
<html>
<body>
<!--from   w w w. j ava 2  s  .c om-->
<p><a id="myAnchor" href="http://www.example.com:80/index.htm#part1">Example link</a></p>
<button onclick="myFunction()">test</button>

<p id="demo"></p>

<script>
function myFunction() {
    var x = document.getElementById("myAnchor").hostname;
    document.getElementById("demo").innerHTML = x;
}
</script>

</body>
</html>

The code above is rendered as follows:

Example 2

The following code shows how to change the hostname of a link.


<!DOCTYPE html>
<html>
<body>
<!--from w w w.  ja va  2s .c o  m-->
<p><a id="myAnchor" target="_blank" href="http://www.example.com:1234/index.htm#part1">Example link</a></p>
<button onclick="myFunction()">test</button>

<p id="demo"></p>

<script>
function myFunction() {
    document.getElementById("myAnchor").host = "www.yourfakeserver.com";
    document.getElementById("demo").innerHTML = "changed";
}
</script>

</body>
</html>

The code above is rendered as follows: