The HTML DOM borderLeftWidth property is used for setting or getting the Left border width for an element.
Following is the syntax for −
Setting the borderLeftWidth property −
object.style.borderLeftWidth = "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 | For setting this property to default value. |
| initial | For setting this property to initial value. |
| inherit | To inherit the parent property value |
Let us look at an example for the borderLeftWidth Property −
Example
<!DOCTYPE html>
<html>
<head>
<style>
#DIV1{
height: 100px;
width: 200px;
border: 10px groove orange;
padding: 10px;
border-Left-width:30px;
}
</style>
<script>
function changeLeftWidth(){
document.getElementById("DIV1").style.borderLeftWidth="1px";
document.getElementById("Sample").innerHTML="The Left border width is now decreased";
}
</script>
</head>
<body>
<div id="DIV1">SOME SAMPLE TEXT</div>
<p>Change the above div Left border width by clicking the below button</p>
<button onclick="changeLeftWidth()">Change Left Width</button>
<p id="Sample"></p>
</body>
</html>Output
On clicking the “Change Left Width” button −
