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<html><head><style> #myDIV { border: 15px solid transparent; padding: 15px; border-image:url(border.png) 30 stretch;}</style></head><body><h1>Change border-image with JavaScript</h1><p>Click the "Try it" button to change the border-image property of the DIV element:</p><button onclick="myFunction()">Try it</button><br><br><div id="myDIV"> <h1>Hello</h1></div><script>function myFunction() { document.getElementById("myDIV").style.borderImage = "url(border.png) 30 round";}</script></body></html>