HTML DOM Aside Object

Last Updated : 14 Jan, 2019

The DOM Aside Object is used to represent the HTML <Aside> element. The Aside element is accessed by getElementById().The aside Element is new in html 5.
Syntax:

document.getElementById("ID");

where “id” is the ID assigned to the aside tag.
Example-1:

<!DOCTYPE html> 
<html> 
  
<head> 
    <title>aside tag</title> 
    <style> 
        .gfg { 
            font-size: 30px; 
        } 
          
        aside { 
            font-size: 40px; 
            color: #090; 
            font-weight: bold; 
        } 
          
        p { 
            font-size: 20px; 
            margin: 20px 0; 
        } 
    </style> 
</head> 
  
<body> 
    //Assign ID to the aside tag. 
    <aside id="GFG"> 
        <h1>GeeksforGeeks</h1> 
        <p>A computer science portal for geeks</p> 
    </aside> 
      
    <h2 style="font-size:35px;">DOM Aside object</h2> 
    <button onclick="myGeeks()">Submit</buttom> 
        <script> 
            function myGeeks() { 
                var w = document.getElementById("GFG"); 
                w.style.color = "red"; 
            } 
        </script> 
</body> 
  
</html>                 

Output:
Before Clicking on Button:

After Clicking on Button:

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

<!DOCTYPE html> 
<html> 
  
<head> 
    <title>aside tag</title> 
    <style> 
        .gfg { 
            font-size: 30px; 
        } 
          
        p { 
            font-size: 20px; 
            margin: 20px 0; 
        } 
    </style> 
</head> 
  
<body> 
    <center> 
        <h2 style = "font-size:35px;">DOM Aside object</h2> 
        <button onclick="myGeeks()">Submit</buttom> 
            <script> 
                function myGeeks() { 
                    var w = document.createElement("ASIDE"); 
                    w.setAttribute("id", "GFG"); 
                    document.body.appendChild(w); 
  
                    var heading = document.createElement("H3"); 
                    var text1 =  
                    document.createTextNode("GeeksForGeeks"); 
  
                    heading.appendChild(text1); 
                    document.getElementById("GFG" 
                    ).appendChild(heading); 
  
                    var para = document.createElement("P"); 
                    var text2 = document.createTextNode( 
                    "A Computer Science Portal for Geeks."); 
                    
                    para.appendChild(text2); 
                    document.getElementById("GFG" 
                    ).appendChild(para); 
                } 
            </script> 
</body> 
  
</html>   

Output:
Before Clicking on Button:

After Clicking on Button:

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

Google Chrome
Internet Explorer
Firefox
Opera
Safari

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