Try it Editor: Change border-image-width with JavaScript

Edit This Code :

<!DOCTYPE html>
<html>
<head>
<style> 
#main {
    border: 15px solid transparent;
    padding: 15px;    
    border-image: url(http://www.dwfaisalabad.com/wp-content/uploads/2017/12/border.png);
    border-image-slice: 30;
    border-image-width: 10px;
    border-image-repeat: round;
}
</style>
</head>
<body>
<h1>Change border-image-width with JavaScript</h1>

<p id="main">This element uses an image as a border.</p>

<p>Click the "Try it" button to change the value of the borderImageWidth property.</p>

<button onclick="myFunction()">Try it</button>
<script>
function myFunction() {
    document.getElementById("main").style.borderImageWidth = "20px 30px";
}
</script>

<p><b>Note:</b> Internet Explorer 10, and earlier versions, do not support the border-image-width property.</p>

</body>
</html>
Result :