x
<html><body><img src="planets.gif" width="145" height="126" usemap="#planetmap"><map name="planetmap"> <area id="venus" shape="circle" coords="124,58,8" alt="Venus" href="venus.htm"></map><p>Click the button to set the value of the target attribute for the "venus" area in the image-map to "_blank".</p><p><b>Note:</b> Try the link before and after you have clicked the button!</p><button onclick="myFunction()">Try it</button><p id="demo"></p><script>function myFunction() { document.getElementById("venus").target = "_blank"; document.getElementById("demo").innerHTML = "The value of the target attribute was set.";}</script></body></html>