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About me

My name is Sagar Ganatra and I'm from Bangalore, India. I'm an UI Architect and my expertise include HTML5, CSS3, JavaScript, Object Oriented JavaScript, jQuery, Backbone, Require, Angular and several other JavaScript frameworks.

Apart from work, whenever I find time I indulge myself in reading books, cooking, swimming and blogging. This blog is dedicated to my views and ideas on the technologies that I work on, I also blog about my views on everything else that crosses my mind and on those light moments at sagarhg.tumblr.com



Publications:
  1. Book titled 'Kendo UI Cookbook'.
  2. Book titled 'Instant Kendo UI Mobile'.
  3. An article on - 'jQuery "Pinify" Plugin Tutorial for Building App-Like Sites'.
  4. Adobe Developer Connect article on 'RESTful Web Services in ColdFusion 10'.

Popular posts from this blog

De-obfuscating javascript code in Chrome Developer Tools

I had blogged about JavaScript debugging with Chrome Developer Tools  some time back, wherein I have explained how these developer tools can help in debugging javascript code. Today Google Chrome 12 was released and my Chrome browser was updated to this version. As with every release, there have been some improvements made on performance, usability etc,. One feature that stood out for me is the ability to De-obfuscate the javascript code. What is Minification? Minification is the process of removing unnecessary characters such as white spaces, comments, new lines from the source code. These otherwise would be added to make the code more readable. Minifying the source code helps in reducing the file size and thereby reducing the time taken to download the file. This is the reason why most of the popular javascript libraries such as jQuery are minified. A minified jQuery file is of 31 KB in size where as an uncompressed one is about 229 KB. Unfortunately, debugging minified javascript f
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Adding beforeRender and afterRender functions to a Backbone View

I was working on a Backbone application that updated the DOM when a response was received from the server. In a Backbone View, the initialize method would perform some operations and then call the render method to update the view. This worked fine, however there was scenario where in I wanted to perform some tasks before and after rendering the view. This can be considered as firing an event before and after the function had completed its execution. I found a very simple way to do this with Underscore's wrap method.
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Custom validation messages for HTML5 Input elements using the constraint validation API

HTML5 has introduced several input types such as EMAIL, URL, RANGE, SEARCH, DATE, TIME, etc,. Most of the modern browsers have implemented them and are ready to be used in a HTML document. Another exciting feature introduced in HTML5 is the form validation. Instead of writing JavaScript to validate users input, browsers can now validate it and show an appropriate message if the validation fails. The validation message is shown in line with the field for which the validation has failed. The default error message is shown when the validation fails. In this post I'll explain how these error messages can be changed.
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