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HTML | DOM Style borderBottomWidth Property

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The style borderBottomWidth property in HTML DOM is used to set or return the width of bottom border of an element. 

Syntax:

  • It is used to return the width of bottom border.
object.style.borderBottomWidth
  • It is used to set the width of the bottom border.
border-bottom-width: "medium|thin|thick|length|initial|inherit";

Return Value: It returns bottom border width of selected element. 

Property Values:

  • medium: It sets the medium size bottom border. It is the default value.
  • thin: It sets the thin border of the bottom.
  • thick: It sets the thick bottom border.
  • length: It sets the width of the border. It does not takes negative value.
  • initial: It sets the borderBottomWidth property to its default value.
  • inherit: This is used to inherits from its parent element.

Example 1: This example use thick value of borderBottomWidth property. 

html

<!DOCTYPE html>
<html>
 
<head>
    <title>
        HTML | DOM Style borderBottomWidth Property
    </title>
    <style>
        div {
            color: green;
            border: 1px solid green;
            text-align: center;
        }
    </style>
</head>
 
<body>
    <div id="main">
        <h1>GeeksforGeeks.!</h1>
    </div>
    <br>
 
    <input type="button" value="Click Me.!" onclick="geeks()" />
 
    <script>
     function geeks() {
        document.getElementById("main").style.borderBottomWidth
                                                     = "thick";
        }
    </script>
</body>
 
</html>

                    

Output: 

Before click on the button:

  

After click on the button:

  

Example 2: This example use thin value of borderBottomWidth Property. 

html

<!DOCTYPE html>
<html>
<head>
    <title>
        HTML | DOM Style borderBottomWidth Property
    </title>
    <style>
        div {
            color: green;
            border: 8px solid green;
            text-align: center;
        }
    </style>
</head>
 
<body>
    <div id = "main">
        <h1>GeeksforGeeks.!</h1>
    </div>
    <br>
     
    <input type = "button" value = "Click Me.!"
        onclick = "geeks()" />
         
    <script>
    function geeks() {
        document.getElementById("main").style.borderBottomWidth
                    = "thin";
    }
    </script>
</body>
</html>                   

                    

Output: 

Before click on the button:

  

After click on the button:

  

Supported Browsers: The browser supported by Style borderBottomWidth property are listed below:

  • Google Chrome 1.0
  • Edge 12
  • Internet Explorer 4.0
  • Firefox 1.0
  • Opera 3.5
  • Safari 1.0


Last Updated : 09 Aug, 2022
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