<html> <head> <title>Test for Bug 1230665</title> <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> </head> <body> <script> SimpleTest.waitForExplicitFinish(); SimpleTest.waitForFocus(function() { document.getElementById("flexbutton1").focus(); synthesizeKey("VK_TAB", { }); var e = document.getElementById("flexbutton2"); is(document.activeElement, e, "focus in flexbutton2 after TAB"); document.getElementById("gridbutton1").focus(); synthesizeKey("VK_TAB", { }); e = document.getElementById("gridbutton2"); is(document.activeElement, e, "focus in gridbutton2 after TAB"); SimpleTest.finish(); }); </script> <div tabindex="0" style="display:flex"> <button id="flexbutton1"></button> text <!-- this text will force a :-moz-anonymous-flex-item frame --> <div style=""> <button id="flexbutton2"></button> </div> </div> <div tabindex="0" style="display:grid"> <button id="gridbutton1"></button> text <!-- this text will force a :-moz-anonymous-grid-item frame --> <div style=""> <button id="gridbutton2"></button> </div> </div> </body> </html>