<!DOCTYPE html> <html class="reftest-wait"> <head> <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script> </head> <body onload="doTest()"> <input type=text style="-moz-appearance: none"> <script> function doTest() { var d = document.querySelector("input"); d.value = "b"; d.focus(); var editor = SpecialPowers.wrap(d).QueryInterface(SpecialPowers.Ci.nsIDOMNSEditableElement).editor; var sel = editor.selection; var t = editor.rootElement.firstChild; sel.collapse(t, 1); // put the caret at the end of the textbox document.documentElement.removeAttribute("class"); } </script> </body> </html>