Javascript DOM HTML Area alt Property set

Introduction

Change the alternate text for a specific area in an image-map: 

document.getElementById("myArea").alt = "my target";

Click the button to change the alternate text of 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" 
        shape="circle" 
        coords="50,50,40" 
        alt="alt message" 
        href="https://www.java2s.com">
</map>/*from w  w w .  j  a  v  a2  s.com*/

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

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

<script>
function myFunction() {
  document.getElementById("myArea").alt = "my target";
  document.getElementById("demo").innerHTML = "The value of the alt attribute was changed.";
}
</script>

</body>
</html>



PreviousNext

Related