I think they're both using Nitro (depending on who you ask: http://ariya.ofilabs...

		illamint on July 13, 2012 \| parent \| context \| favorite \| on: WebKit sorts JS arrays using Selection Sort I think they're both using Nitro (depending on who you ask: http://ariya.ofilabs.com/2012/06/nitro-javascriptcore-and-ji...), but UIWebViews don't have JIT compilation turned on (no executable memory pages allowed in iOS apps), so they're slower.