IE10's dev tools emulation is not perfect, and has its own set of quirks. Especially as it relates to the JS runtime[1]. [1] http://alexjmackey.wordpress.com/2

IE10's dev tools emulation is not perfect, and has its own set of quirks. Especially as it relates to the JS runtime[1]. [1] http://alexjmackey.wordpress.com/2012/10/19/how-accurate-ie-dev-tools/ http://alexjmackey.wordpress.com/2012/10/19/how-accurate-ie-...