Which border radius property will work in IE9?

Question

In IE9, which border radius property will work?

 border-radius:20px
-webkit-border-radius: 20px;
-moz-border-radius: 20px;

border-radius:20px or ms-border-radius:20px

Answer 1

IE9 will support border-radius see: http://ie.microsoft.com/testdrive/HTML5/01BorderRadius/Default.html