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HTML | DOM Map Object
  • Last Updated : 06 Feb, 2019

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.






<!DOCTYPE html>
<html>
  
<head>
    <title
        HTML DOM Map Object Property 
    </title>
</head>
  
<body>
      
    <h4>Click the button</h4>
      
    <button onclick = "GFG()">
        Click Here!
    </button>
      
    <p></p>
      
    <map id = "Geeks" name = "Geeks">
          
        <area  = "rect" coords = "0, 0, 110, 100"
        alt = "Geeks" href
  
        <area shape = "rect" coords = "110, 0, 190, 100"
        alt = "For" href =
  
        <area shape = "rect" coords = "190, 0, 300, 100"
        alt = "GEEKS" href =
    </map>
      
    <img src =
    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.




<!DOCTYPE html>
<html>
      
<head>
    <title
        HTML DOM Map Object Property 
    </title>
</head>
      
<body>
    <h4>Click the button</h4>
      
    <button onclick = "GFG()">
        Click Here!
    </button>
      
    <p></p>
      
    <img src
    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", 
            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>                    

Output:

Supported Browsers: The browser supported by DOM Map Object property are listed below:

  • Google Chrome 5.0
  • Internet Explorer 8.0
  • Firefox 3.6
  • Safari 5.0
  • Opera 10.6
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