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HTML DOM borderWidth Property


Style Object Reference Complete Style Object Reference

Definition and Usage

The borderWidth property sets the width of all four borders.

This property can take from one to four values:

  • If you specify one value, like: div {border-width: thick} - all four borders will be thick
  • If you specify two values, like: div {border-width: thick thin} - the top and bottom border will be thick, left and right border will be thin
  • If you specify three values, like: div {border-width: thick thin medium}- the top border will be thick, left and right border will be thin, bottom border will be medium
  • If you specify four values, like: div {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

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

Possible Values

Value Description
thin Defines a thin border
medium Defines a medium border
thick Defines a thick border
length Allows you to define the thickness of the borders


Example

The following example changes the width of the borders:

<html>
<head>
<style type="text/css">
p
{
border: thin solid #FF0000
}
</style>
<script type="text/javascript">
function changeBorderWidth()
{
document.getElementById("p1").style.borderWidth="thick thin";
}
</script>
</head>
<body>
<input type="button" onclick="changeBorderWidth()"
value="Change border widths" />
<p id="p1">This is a paragraph</p>
</body>
</html>
 

Try-It-Yourself Demos

borderWidth - Change the width of all four borders


Style Object Reference Complete Style Object Reference

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