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Style borderWidth Property

Style Object Reference Style Object

Definition and Usage

The borderWidth property sets or returns the width of an element's border.

This property can take from one to four values:

  • One value, like: p {border-width: thick} - all four borders will be thick
  • Two values, like: p {border-width: thick thin} - the top and bottom border will be thick, left and right border will be thin
  • Three values, like: p {border-width: thick thin medium}- the top border will be thick, left and right border will be thin, bottom border will be medium
  • Four values, like: p {border-width: thick thin medium 10px} - the top border will be thick, right border will be thin, bottom border will be medium, left border will be 10px

Syntax

Set the borderWidth property:

Object.style.borderWidth="thin|medium|thick|length|inherit"

Return the borderWidth property:

Object.style.borderWidth

Value Description
thin Defines a thin border
medium Defines a medium border. This is default
thick Defines a thick border
length The width of the border in length units
inherit The width of the border is inherited from the parent element


Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The borderWidth property is supported in all major browsers.


Example

Example

Change the width of the four borders:

<html>
<head>
<style type="text/css">
#ex1
{
border: 1px solid #FF0000;
}
</style>
<script type="text/javascript">
function displayResult()
{
document.getElementById("ex1").style.borderWidth="thick thin";
}
</script>
</head>
<body>

<div id="ex1">This is some text.</div>
<br />
<button type="button" onclick="displayResult()">Change width of the four borders</button>

</body>
</html>

Try it yourself »


Style Object Reference Style Object
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