title: Is Zepto.js only to be used for mobile web apps or can it be used for desktop just like jQuery?
body: <p>The <a href="http://zeptojs.com/" rel="noreferrer">Zepto.js website</a> says:</p>
  
  <blockquote>
    <p>Zepto.js is a minimalist JavaScript framework for <em>mobile</em> WebKit browsers, with a jQuery-compatible syntax.</p>
  </blockquote>
  
  <p>Is it only recommended for use with apps that will be used on mobile devices or can it also be used in traditional computer browser web apps as well? What are the downsides of doing so?</p>
  
  <p>I use <a href="http://jquery.com/" rel="noreferrer">jQuery</a> a lot in my regular web apps (for computer browsers) and I've realized (after finding Zepto.js) that I don't always use all of jQuery's features, so Zepto.js is perfect for what I do.</p>
  
  <p>Also, why is there focus on the 'WebKit' engine? Does it not work with mobile Internet Explorer on Windows Phone 7, Firefox Mobile on Android or Opera Mobile?</p>
  
  <p>EDIT: The presence of $.os.android in addition to $.os.ios indicates that there is support for non-iOS platforms, so the last question is answered!</p>
  
  <p><strong>EDIT (final): I guess the real question is "Can the Zepto.js library, intended for use on mobile WebKit-based browsers, be used as a lighter-weight alternative to jQuery for the desktop also?" The answer is no.</strong></p>