Javascript DOM HTML Area hostname Property set

Introduction

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

Change the hostname of a specific area in an image-map: 

document.getElementById("myArea").host = "www.example.com";

Click the button to change the host name of the href attribute value for the myArea area in the image-map.

View in separate window 

<!DOCTYPE html>
<html>
<body>

<img src="image1.png" width="100" height="100" usemap="#myFlagMap">

<map name="myFlagMap">
  <area id="myArea" 
        target="_blank" 
        shape="circle" 
        coords="50,50,40" 
        alt="Target" 
        href="https://www.java2s.com:8080/index.html#description">
</map>//from  www . j  ava  2s .  c  om

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

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

<script>
function myFunction() {
  document.getElementById("myArea").host = "www.example.com";
  document.getElementById("demo").innerHTML = "The hostname was changed";
}
</script>

</body>
</html>



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