Javascript Reference - HTML DOM Anchor host Property

The host property sets or gets the hostname and port part for the href attribute value.

Browser Support


`host`	Yes	Yes	Yes	Yes	Yes

Syntax

Return the host property:

var v = anchorObject.host

Set the host property:

anchorObject.host = hostname:port;

Property Values

Value	Description
hostname:port	Set the URL hostname and port number

Return Value

A String representing the domain name or IP address and its port number.

Example

The following code shows how to get the hostname and port number of a link.


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

<button onclick="myFunction()">test</button>

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

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

</body>
</html>

The code above is rendered as follows:

Example 2

The following code shows how to set the hostname and port number.


<!DOCTYPE html>
<html>
<body>
<!--from   w  ww.  ja v  a2  s .  c  o  m-->
<p><a id="myAnchor" href="http://www.example.com:1234/test.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:1111";
    document.getElementById("demo").innerHTML = "changed";
}
</script>

</body>
</html>

The code above is rendered as follows:

Example 3

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


<!DOCTYPE html>
<html>
<body>
<!-- ww  w .  j av a2 s.  c  o  m-->
<p><a id="myAnchor" href="http://www.example.com:80">Example link</a></p>

<button onclick="myFunction()">test</button>

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

<script>
function myFunction() {
    document.getElementById("myAnchor").host = "www.yourfakeserver.com:8080";
    document.getElementById("demo").innerHTML = "changed";
}
</script>

</body>
</html>

The code above is rendered as follows: