[1] [webkit-dev] Differences between Nitro and Squirrelfish. ( ( 版)) <https://lists.webkit.org/pipermail/webkit-dev/2009-February/006807.html>
[2] Nitro - Wikipedia ( ( 版)) <http://ja.wikipedia.org/wiki/Nitro>
[3] Safari 4.0 ( 版) <https://developer.apple.com/library/safari/releasenotes/General/WhatsNewInSafari/Articles/Safari_4_0.html#//apple_ref/doc/uid/TP40014305-CH4-SW2>
WebKit’s JavaScript engine, JavaScriptCore, features a new interpreter, code-named Nitro, which takes advantage of some of the latest research in the field of efficient virtual machines and is much faster than its predecessor.