HTML | DOM Map Object

Last Updated : 04 Jul, 2022

The Map Object in HTML DOM is used to create and access the <map> element. The Map Object create the portion of image clickable and accessible.
Syntax:

It is used to return Map object.

var x = document.getElementById("myMap");

It is used to create Map Object.

var x = document.createElement("MAP");

Property Values:

name: It is used to set or return the value of the name attribute of an image-map.

Collection Values:

areas: It is used to return the collection of all <area> elements in an image-map.
images: It is used to returns the collection of all <img> and <object> elements associated with the image-map

Example 1: This example describes the getElementById() method to access the <map> element.

html

<!DOCTYPE html>
<html>
 
<head>
    <title> 
        HTML DOM Map Object  
    </title>
</head>
 
<body>
     
    <h4>Click the button</h4>
     
    <button onclick = "GFG()">
        Click Here!
    </button>
     
     
 
 
<p></p>
 
 
 
     
    <map id = "Geeks" name = "Geeks">
         
        <area shape  = "rect" coords = "0, 0, 110, 100"
        alt = "Geeks" href = 
"https://media.geeksforgeeks.org/wp-content/uploads/a1-21.png">
 
        <area shape = "rect" coords = "110, 0, 190, 100"
        alt = "For" href =
"https://media.geeksforgeeks.org/wp-content/uploads/a1-22.png">
 
        <area shape = "rect" coords = "190, 0, 300, 100"
        alt = "GEEKS" href =
"https://media.geeksforgeeks.org/wp-content/uploads/a1-24.png">
    </map>
     
    <img src =
"https://media.geeksforgeeks.org/wp-content/uploads/a1-25.png"
    width = "300" height = "100" alt="GFG" usemap = "#Geeks">
     
    <p id = "GEEK!"></p>
 
 
 
     
    <script>
        function GFG() {
            var x = document.getElementById("Geeks").areas.length;
            document.getElementById("GEEK!").innerHTML = x;
        }
    </script>
</body
 
</html>                    

Output:

Example 2: This example describes the document.createElement() method to create <map> element.

html

<!DOCTYPE html>
<html>
     
<head>
    <title> 
        HTML DOM Map Object 
    </title>
</head>
     
<body>
    <h4>Click the button</h4>
     
    <button onclick = "GFG()">
        Click Here!
    </button>
     
     
 
 
<p></p>
 
 
 
     
    <img src = 
"https://media.geeksforgeeks.org/wp-content/uploads/a1-25.png"
    width = "300" height = "100" usemap = "#myMap">
     
    <p id = "GEEK!"></p>
 
 
 
     
    <!-- script to use map object property -->
    <script>
        function GFG() {
            var x = document.createElement("MAP");
            x.setAttribute("id", "myMap");
            x.setAttribute("name", "myMap");
            document.body.appendChild(x);
 
            var y = document.createElement("AREA");
            y.setAttribute("href", 
"https://media.geeksforgeeks.org/wp-content/uploads/a1-24.png");
            y.setAttribute("shape", "rect");
            y.setAttribute("coords", "190, 0, 300, 100");
            document.getElementById("myMap").appendChild(y);
 
            document.getElementById("GEEK!").innerHTML = 
            "Click on the GEEKS area in the image.";
        }     
    </script>
</body>
 
</html>                    