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jQTouch Interview Questions

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jQTouch is an Open Source JQuery plugin with native animations, automatic navigation, and themes for mobile WebKit browsers like iPhone, G1 (Android), and Palm Pre. It enables programmers to develop mobile applications with a native look and feel for the target device using HTML, CSS, and JavaScript.

jQTouch tries to emulate mobile platforms, like the iPhone SDK, as much as possible even enabling the use of the Webkit application offline.

  • Easy Setup
  • Native WebKit Animations
  • Image Preloading
  • Callback Events
  • Flexible Themes
  • MIT Licensed
  • Swipe Detection
  • Extensions
  • Improved File Size

jQTouch is focussed strictly on the iPhone, iPod Touch, and soon, Android. jQTouch progressively enhances HTML and CSS, so that less capable phones are still be able to browse content.


  • As I have stated earlier that jQTouch is not a framework, it is plugin. Where jQuery Mobile is framework created for Mobile and tablet devices.
  • jQTouch is optimized for WebKit.Therefore jQTouch might be preferable if you plan on specifically targeting users tied to an iOS- or Android-based device. Where jQuery Mobile is compatible with all major mobile and tablet platforms.
  • jQTouch provides access to Geolocation (Access to device GPS Data) where jQuery Mobile doesn't provide this hardware access(to date).
  • jQTouch is focused on small screen devices. From their blog. "Apps developed with jQTouch will certainly run fine on iPads and other tablet devices, but we aren’t going to automagically convert to a more tablet-friendly UI that takes advantage of the additional real estate."
  • In terms of performance jQTouch is better than jQuery Mobile. If you are targeting only Webkit devices then go for jQTouch.
  • Though jQTouch project is technically active, the original author has moved on and development seems to have slowed where jQuery Mobile Announced in August 2010, it’s quickly progressed to a very functional Alpha 2.

  • jQuery Mobile supports more number of mobile platform as compare to Sencha Touch. Sencha touch only supports iOS, Android and recently Blackberry.
  • jQuery Mobile and Sencha touch both provides great UI features with lots of control but Sencha touch wins here. Sencha Touch offers a bit more like lots of icons, or built-in maps.
  • jQuery Mobile is easy to use as Sencha Touch is completely Javascript. Your application takes place in js files, dealing with js classes. On the other hand, jQueryMobile is markup-driven. Sencha Touch is an extension of the Ext JS framework. It has a more native language feel than html and does not follow open standards. For example, the entire <body> of a webpage is generated in javascript.
  • jQuery Mobile is easy to learn but for Sencha touch one need to put extra effort to learn it. In fact the documentation of Sencha touch is not comprehensive but jQuery Mobile documentation is quite good.
  • jQuery mobile is light weight compare to Sencha touch.
  • Sencha Touch supports a more MVC style application design, whereas jQuery mobile will simply be a load of markup and a load of jQuery script converting your HTML elements into touch friendly interface components.
  • jQuery Mobile Framework is easy to integrate with other technologies.
  • jQuery Mobile is free where Sencha Touch is available free of charge for commercial and open source application development. However, embedding Sencha Touch in a web application builder or software development kit (SDK) requires a paid commercial OEM license agreement. Read more about Sencha Touch Licensing FAQ.

It is similar in the way it can load views via built-in HTML or dynamic GET/POST requests, but it uses hardware-accelerated animations, and also includes transitions like slide up and 3D page flip. It also includes code for image preloading, a custom theme, and a much easier setup function which eliminates the need to write META tags for the app icon, viewport settings, etc.

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