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HTML | DOM Style borderTop Property
  • Last Updated : 30 Jul, 2019
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The DOM style borderTop property is used to set or returns the three different border-top property such as border-top-width, border-top-style, and border-top-color of an element.

Syntax:

  • It returns the borderTop property.
    object.style.borderTop
  • It is used to set the borderTop property.
    object.style.borderTop = "width style color|initial|inherit"

Property value:

  • width: This will set the width of top border.
  • style: This will set the style of top border.
  • color: This will set the color of top border.
  • initial: This will set the property to it’s default value.
  • inherit: This will inherit the property from it’s parent element

Return Value: It returns a string value which represents the width, style and/or color of the top border of an element.

Example 1:






<!DOCTYPE html> 
<html
    <head
        <title>DOM Style borderTop Property</title
    </head
      
    <body
        <center
            <h1 style = "color:green;width:50%;" id = "sudo"
                GeeksForGeeks 
            </h1
              
            <h2>DOM Style borderTop Property </h2>         
            <br
            <button type = "button" onclick = "geeks()"
                Submit 
            </button
              
            <script
            function geeks() { 
            document.getElementById("sudo").style.borderTop 
                                        = "thick solid green"; 
            
            </script
        </center
    </body
</html>                     

Output:
Before Click on the button:

After Click on the button:

Example 2:




<!DOCTYPE html> 
<html
    <head
        <title>DOM Style borderTop Property</title
    </head
    <body
        <center
            <h1 style = "color:green;"
                GeeksForGeeks 
            </h1
              
            <h2>DOM Style borderTop Property </h2
              
            <h3 style = "border:2px solid red;width:50%;"
                id = "sudo">geksforgeeks</h3
            <br
            <button type = "button" onclick = "geeks()"
                Submit 
            </button
              
            <script
                function geeks() { 
                    document.getElementById("sudo").style.borderTop 
                                            = "thick dotted green"; 
                
            </script
        </center
    </body
</html>                     

Output:
Before Click on the button:

After Click on the button:

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

  • Google Chrome
  • Internet Explorer
  • Firefox
  • Opera
  • Apple Safari

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