The alt
property sets or gets the value of the alt
attribute of an area.
The alt
attribute sets an alternate text for an area.
It will show if the image cannot be displayed.
Get the alternate text of a specific area in an image-map:
var x = document.getElementById("myArea").alt;
Click the button to display the alternate text for the myArea
area in the image-map.
<!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>//w w w. j a v a 2 s .com <button onclick="myFunction()">Test</button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("myArea").alt; document.getElementById("demo").innerHTML = x; } </script> </body> </html>