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JS & DOM Reference

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Style borderTop Property

Style Object

Definition and Usage

The borderTop property sets or returns up to three separate border-top properties, in a shorthand form.

With this property, you can set/return:

border-top-width
border-top-style
border-top-color

Syntax

Set the borderTop property:

Object.style.borderTop="width style color"

Return the borderTop property:

Object.style.borderTop

Tip: There is no default value for the borderTop property.

Parameter	Description
width	Sets the width of the top border
style	Sets the style of the top border
color	Sets the color of the top border

Browser Support

The borderTop property is supported in all major browsers.

Example

Change the width, style, and color of the top border:

<html>
<head>
<style type="text/css">
#ex1
{
border: thin dotted #FF0000;
}
</style>
<script>
function displayResult()
{
document.getElementById("ex1").style.borderTop="thick solid #0000FF";
}
</script>
</head>
<body>

<div id="ex1">This is some text.</div>
<br>
<button type="button" onclick="displayResult()">Change top border</button>

</body>
</html>

Try it yourself »

Style Object