<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=421436 --> <head> <title>Test for Bug 421436</title> <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <script type="application/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=421436">Mozilla Bug 421436</a> <p id="display"></p> <div id="content"> <span id="outer"><span id="inner">Hello</span><br></span> </div> <pre id="test"> <script class="testbody" type="text/javascript"> /** Test for Bug 421436 **/ var inner = document.getElementById("inner"); var outer = document.getElementById("outer"); is(inner.getBoundingClientRect().left, outer.getBoundingClientRect().left, "left edges equal"); todo_is(inner.getBoundingClientRect().right, outer.getBoundingClientRect().right, "right edges equal"); </script> </pre> </body> </html>