<p dir="auto">In this demo <a href="http://getbootstrap.com/css/#forms-controls-static" rel="nofollow">http://getbootstrap.com/css/#forms-controls-static</a> when changing the focus or value of the password field - chrome browser freezes for a few seconds and uses a lot of CPU.</p>
<p dir="auto">Not sure if this is a problem of chrome itself or anything related to bootstrap JS / CSS</p>
<p dir="auto">Chrome version 28.0.1500.95 m running on Windows 7 64 bit</p>
<p dir="auto">Chrome for Mac. Enter some text in the "Password" input box (see pictured).</p>
<p dir="auto"><a target="_blank" rel="noopener noreferrer nofollow" href="https://camo.githubusercontent.com/5b0192fc2eabefa48020f92df6a9b88ec17365be230042b721f8c963a2f3951b/68747470733a2f2f662e636c6f75642e6769746875622e636f6d2f6173736574732f3733313734332f3936353332372f36393562653361652d303532382d313165332d393663302d3062663564313730353862642e706e67"><img src="https://camo.githubusercontent.com/5b0192fc2eabefa48020f92df6a9b88ec17365be230042b721f8c963a2f3951b/68747470733a2f2f662e636c6f75642e6769746875622e636f6d2f6173736574732f3733313734332f3936353332372f36393562653361652d303532382d313165332d393663302d3062663564313730353862642e706e67" alt="screen shot 2013-08-14 at 22 28 02" data-canonical-src="https://f.cloud.github.com/assets/731743/965327/695be3ae-0528-11e3-96c0-0bf5d17058bd.png" style="max-width: 100%;"></a></p>
<p dir="auto">Then delete the text, one character at a time. By the time you try to remove the last character, the tab freezes for a few seconds.</p>