Sets an element's top border; value is one or more of a color, a value for border-top-width, and a value for border-style.
Possible value is one or more of a color, a value for border-width, and a value for border-style.
All the HTML elements.
object.style.borderTop = "2px solid red";
The border-top property allows you to specify color, style, and width of top lines in one property −
Following is the example to show to use all the three properties into a single property.
<p style = "border-top:4px solid red;"> This example is showing shorthand property for border-top. </p>
This will produce following result −