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HTML DOM Style borderTopWidth Property
The HTML DOM borderTopWidth property is used for setting or getting the Top border width for an element.
Following is the syntax for −
Setting the borderTopWidth property −
object.style.borderTopWidth = "thin|medium|thick|length|initial|inherit"
The property values are explained as follows −
| Value | Description |
|---|---|
| Thin | This specifies a thin border. |
| Medium | This specifies the medium border and is the default value. |
| Thick | This specifies a thin border. |
| Length | This is used for specifying the border width in length units. |
| Initial | For setting this property to initial value. |
| Inherit | To inherit the parent property value |
Let us look at an example for the borderTopWidth Property −
Example
<!DOCTYPE html>
<html>
<head>
<style>
#DIV1{
height: 100px;
width: 200px;
border: 10px groove orange;
padding: 10px;
border-Top-width:30px;
}
</style>
<script>
function changeTopWidth(){
document.getElementById("DIV1").style.borderTopWidth="1px";
document.getElementById("Sample").innerHTML="The Top border width is now decreased";
}
</script>
</head>
<body>
<div id="DIV1">SOME SAMPLE TEXT</div>
<p>Change the above div Top border width by clicking the below button</p>
<button onclick="changeTopWidth()">Change Top Width</button>
<p id="Sample"></p>
</body>
</html>Output
On clicking the “Change Top Width” button −
Updated on: 23-Oct-2019
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