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HTML | DOM Underline Object

  • Difficulty Level : Basic
  • Last Updated : 28 Jun, 2021

The DOM underline object is used to represent the HTML <u> element. The underline element is accessed by getElementById().

Syntax: 

document.getElementById("id"); 

Where ‘id’ is the ID assigned to the <u> tag.
 

Example 1: 

html




<!DOCTYPE html>
<html>
    <head>
        <title>
            HTML DOM underline Object
        </title>
    </head>
     
    <body style = "text-align:center;">
     
        <h1 style = "color:green;" >
            GeeksForGeeks
        </h1>
         
        <h2>DOM underline Object</h2>
 
         
<p><u id = "u">GeeksforGeeks!</u> A computer
        science portal for geeks.</p>
 
         
        <button onclick = "Geeks()">
            Click Here!
        </button>
         
        <script>
            function Geeks() {
                var txt = document.getElementById("u");
                txt.style.color = "green";
            }
        </script>
    </body>
</html>                   

Output: 
Before click on the button: 
 



underline

After click on the button: 
 

underline

Example 2: Underline Object can be created by using the document.createElement method. 

html




<!DOCTYPE html>
<html>
    <head>
        <title>
            HTML DOM underline Object
        </title>
    </head>
     
    <body style = "text-align:center">
          
        <h1 style = "color:green;" >
            GeeksForGeeks
        </h1>
         
        <h2>DOM underline Object</h2>
 
        <button onclick = "Geeks()">
            Click Here!
        </button>
         
        <p id = "p"></p>
 
         
        <script>
            function Geeks() {
                var txt = document.createElement("U");
                var t = document.createTextNode("An underlined text.");
                txt.appendChild(t);
                document.getElementById("p").appendChild(txt);
            }
        </script>
    </body>
</html>                   

Output: 
Before click on the button: 
 

underline

After click on the button: 
 

underline

Supported Browsers:

  • Google Chrome
  • Mozilla Firefox
  • Edge
  • Safari
  • Opera

 

Attention reader! Don’t stop learning now. Get hold of all the important HTML concepts with the Web Design for Beginners | HTML  course.




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