Making a focused element invisible should make it blur. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". ===> Setting display:none Event: blur PASS document.activeElement is document.body PASS The focusTarget element lost focus. ===> Setting visibility:hidden Event: blur PASS document.activeElement is document.body PASS The focusTarget element lost focus. PASS successfullyParsed is true TEST COMPLETE