Location.host : Location « Location « JavaScript Tutorial

The host property represents the host portion of the URL.

This is composed of the hostname and the port number (if available).

for example, www.java2s.com.

<html>
    <head>
    <title> Using the hash property of the Location object</title>
    </head>
    <body>
    <script language="JavaScript">
    <!--
    function show(){
         alert(document.location.host);
    }
    -->
    </script>
    <form name="form1">
    Click the button to get the current location.host value of the following address:
    <br>
    http://www.java2s.com
    <br><br>
    <input type="button" name="getLoc" value="Get host" onClick='show()'>
    <br>
    </form>
    </body>
    </html>

16.1.Location
	16.1.1.	Location
	16.1.2.	Location.assign()
	16.1.3.	Location.hash
	16.1.4.	Location.host
	16.1.5.	Location.hostname
	16.1.6.	Location.href
	16.1.7.	Location.pathname
	16.1.8.	Location.port
	16.1.9.	Location.protocol
	16.1.10.	Location.reload() to reload from cache
	16.1.11.	Location.reload(true) to reload from the server
	16.1.12.	Location.reload(false) to reload from the cache
	16.1.13.	Location.replace()
	16.1.14.	Location.search
	16.1.15.	Location replace in action
	16.1.16.	Change location.href