OpenJS

Fixed Background Remover - GreaseMonkey UserScript

Sat, 06 Jun 2009 00:00:00 +0000

Fixed Background Remover UserScript disables fixed background anywhere in the page. Changes all fixed background images to normal background image(scrolls with the page).

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A Code Study of the Mikeyy Twitter Worm

Mon, 13 Apr 2009 00:00:00 +0000

I am an active twitter user - and when I saw that many twitter profiles have been affected by the Mikeyy worm, I wanted to take a look at the code behind the worm. This post will help you understand the basic working of the worm.

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Pointer - JSL Demo Application

Thu, 26 Mar 2009 00:00:00 +0000

This is a demo application for JSL JavaScript Library. This application uses the jsl_cookie plugin for JSL as well. Basically it stores the value in the textbox in a cookie. When the user returns to this page, the value is shown again. The JavaScript code for this application is just 10 lines. View the source of this page to see it.

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Crontab Code Generator

Tue, 17 Feb 2009 00:00:00 +0000

JSL Crontab Code Generator is a GUI application that can be used to create new crontab entries easily. Cron is a automation tool for Linux systems.

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Waiting Until User Stops Typing to Check the Status Using Ajax

Tue, 13 Jan 2009 00:00:00 +0000

There are many cases when you have to check some status in the server side while the user is typing in the data. One example that comes to mind is the username check - you can check for the availability of the username when the user is keying in the name. Usually this is done on the 'onchange' event. It can be done on the 'keypress' event too - but not many people prefer that because its expensive. Fetching data from the server takes time. A better method is to wait until the user completes typing to check the data - I'll show you how to do that in this tutorial.

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Firebug: Javascript Development Made Easier, a Presentation

Tue, 23 Dec 2008 00:00:00 +0000

Couple of weeks ago, I gave a presentation on Firebug at Barcamp Kerala 3. It was titled 'Firebug: Javascript Development Made Easier'. Its an introduction to firebug and how to use it for CSS Designing and JavaScript Development.

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JavaScript Calendar Script/Date Picker Widget

Thu, 18 Dec 2008 00:00:00 +0000

There are many javascript calendar widgets(or date pickers) out there - so I decided to make another one. Yes, I have a really bad case of 'Not-Invented-Here' syndrome...

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JSON Encoder/Decoder For JavaScript

Mon, 03 Nov 2008 00:00:00 +0000

JSON(JavaScript Object Notation) is a lightweight computer data interchange format. It is a text-based, semi-readable format for representing simple data structures and associative arrays. The main advantage of using JSON is that it can be parsed into an object using very little code - and for this reason, many people(including me) prefer using it as the ajax response format.

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Ajax File Upload Response Handling

Wed, 15 Oct 2008 00:00:00 +0000

A while ago, I wrote an article on Ajax File Upload - the method of uploading a file without refreshing the page using a hidden iframe. Since then people wanted to know how to get information about the file back into the javascript application. Consider this the second part of that article - this post will tell you how to get the information about the uploaded file in javascript.

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Ajax 'Loading Indicator' Design Pattern

Thu, 25 Sep 2008 00:00:00 +0000

Almost all Ajax apps shows a small loading indicator(usually a small rotating gif image) when they are sending or receiving data from the server. It is not there for decoration - it makes the application faster in the eyes of the user. Its not real speed - its a 'perceived speed' - an assurance to the user that something is happening behind the scenes.

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