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<html><body><img src="planets.gif" width="145" height="126" usemap="#planetmap"><map name="planetmap"> <area id="venus" target="_blank" shape="circle" coords="124,58,8" alt="Venus" href="venus.html#description"></map><p>Click the button to change the hostname and port number of the href attribute value for the "venus" area in the image-map.</p><p><b>Tip:</b> Open the "venus" area and look in the address bar before and after you have clicked the "Try it" button, to see the effect.</p><button onclick="myFunction()">Try it</button><p id="demo"></p><script>function myFunction() { document.getElementById("venus").host = "www.example.com:300"; document.getElementById("demo").innerHTML = "The hostname and port was changed from 'www.w3schools.com:80' to 'www.example.com:300'.";}</script></body><!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_area_host2 by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 03:17:05 GMT --></html>