# How to set the style of the left border with JavaScript?

JavascriptWeb DevelopmentFront End Scripts

To set the style of the left border in JavaScript, use the borderLeftStyle property. Set the style under this property that you want for the border i.e. solid, dashed, etc.

## Example

You can try to run the following code to learn how to style the left border −

Live Demo

<!DOCTYPE html>
<html>
<style>
#box {
border: thick solid gray;
width: 300px;
height: 300px;
}
</style>
</html>