<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=966552 --> <head> <title>Test for Bug 966552</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> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=966552">Mozilla Bug 966552</a> <p id="display"></p> <div id="content" style="display: none"> </div> <pre id="test"> <script class="testbody" type="text/javascript"> SimpleTest.waitForExplicitFinish(); var win = window.open("file_bug966552.html", "", "test-966552"); win.addEventListener("load", function() { runTest(win); }, {once: true}); function runTest(win) { SimpleTest.waitForFocus(function() { var doc = win.document; var sel = win.getSelection(); doc.body.focus(); sel.collapse(doc.body.firstChild, 2); synthesizeKey("VK_BACK_SPACE", {ctrlKey: true}, win); is(doc.body.textContent.trim(), "st"); win.close(); SimpleTest.finish(); }, win); } </script> </pre> </body> </html>