HTML | DOM Dialog Object

The DOM Dialog Object is used to represent the HTML <dialog> element. The Dialog element is accessed by getElementById(). It is used in HTML5.

Syntax:

document.getElementById("ID");

Where “id” is the ID assigned to the “Dialog” tag.

Example-1:

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<!DOCTYPE html>
<html>
  
<head>
    <title>DOM dialog Object</title>
    <style>
        dialog {
            color: green;
            font-size: 30px;
            font-weight: bold;
            font-style: italic;
        }
          
        body {
            text-align: center;
        }
    </style>
</head>
  
<body>
    <h1>DOM Dialog Object</h1>
  
    <!-- Assigning id to dialog tag -->
    <dialog id="GFG">Welcome to GeeksforGeeks</dialog>
  
    <button onclick="myGeeks()" open>Submit</button>
    <script>
        function myGeeks() {
            // Accessing dialog tag
            var x = document.getElementById("GFG");
  
            x.open = true;
        }
    </script>
</body>
  
</html>

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Output:

Before Clicking On Button:

After Clicking On Button:

Example-2: Dialog Object can be created by using the document.createElement Method.

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<!DOCTYPE html>
<html>
  
<head>
    <title>DOM dialog Object</title>
    <style>
        dialog {
            color: green;
            font-size: 30px;
            font-weight: bold;
            font-style: italic;
        }
          
        body {
            text-align: center;
        }
    </style>
</head>
  
<body>
    <h1>DOM Dialog Object</h1>
  
    <button onclick="myGeeks()" open>Submit</button>
    <script>
        function myGeeks() {
            var gfg = 
            document.createElement("DIALOG");
            
            var f = 
            document.createTextNode("Welcome to GeeksForGeeks");
            
            gfg.setAttribute("open", "open");
            gfg.appendChild(f);
            document.body.appendChild(gfg);
        }
    </script>
</body>
  
</html>

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Output:

Before Clicking On Button :

After Clicking On Button:

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

  • Google Chrome 37+
  • Opera 24+
  • Safari 6+


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