You can write full OS X apps in JavaScript:<p><a href="http:&#x2F;&#x2F;tylergaw.com&#x2F;articles&#x2F;building-osx-apps-with-js" rel="nofollow">http:&#x2F;&#x2F;tylergaw.com&#x2F;articles&#x2F;building-osx-apps-with-js</a><p>JavaScript bridging works on iOS too!