<html><head><script>function removeBorder(){document.getElementById("myframe").frameBorder="0";}</script></head><body><iframe id="myframe" src="https://shouce.ren"><p>Your browser does not support iframes.</p></iframe><br><br><input type="button" onclick="removeBorder()" value="Remove border"><p><b>Note:</b> This example does not work in Internet Explorer.</p></body></html>