Someone just sent me a message asking me to update my imBannerRotater plugin because they were receiving a parseerrormessage with JQuery 1.4.

I tested the plugin with JQuery 1.4 and I too received the parseerror message. I knew immediately that the problem was with the Json record that was returned via an ajax request. Looking at the json record, I noticed that quotes were placed around the value, but not the name/key, so I added the quotes:

// originally
{name: "joneil.jpg", url: "http://www.imdb.com/character/ch0005968/"}
 
// changed to
{"name": "joneil.jpg", "url": "http://www.imdb.com/character/ch0005968/"}

I tested and no longer received the parseerror message.

The reason I knew that the error was due to the json record is because I ran into a similar problem with YUI last week. I received a parse error with a json record because I used single quotes rather than double quotes. I thought it was odd (and I was a bit displeased).

Knowing about the problem with YUI and single quotes, I tested json object above using single quotes:

{'name': 'joneil.jpg', 'url': 'http://www.imdb.com/character/ch0005968/'}

I again received the parseerror message. So you must use double quotes. I went back and read the Json specs. It mentioned placing double quotes around the value, but did not mention anything about placing quotes (double or otherwise) around the the name/key. But YUI and JQuery 1.4 both require it so it must be required.

I’m working on a project that uses the JScrollPane JQuery Plugin to scroll a number of records. My client wanted the scroll bar to have a variable height (like most modern scroll bars). The height of the scroll bar should be determined by the number of records – the height should decrease as the number of records increase. So the scroll bar height is inversely proportional to the number of records.

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I recently had to update my imGoogleMaps JQuery Plugin due to problems that arose from the Geocode request rate limitations. As I researched the problem, I delved even more into the Google Maps API. Although this is a minor release, I decided to add custom marker icons to this version. Now you should be able to easily add custom markers to your Google Maps without having to worry about creating the underlying Google Maps API code – JQuery and the imGoogleMaps plugin helps you create a customized map in the fraction of the time. I also added the ability to display a phone number and a description for each address in the infoWindow.

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While working on the imGoogleMaps upgrade, I realized that I had to add a progress bar. Rather than creating the progress bar functionality in imGoogleMaps, I decided to create a separate JQuery plugin – imProgressBar. It was simple to develop and easy to use – and I even took the time to create over 20 bar graphics.

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I finally found the time to upgrade imGoogleMaps JQuery plugin. When I first began the upgrade, my plan was to only add the handful of items that were requested by a few users (and fix a few bugs). When the upgrade was complete, I had incorporated the GStreetviewPanorama object and Street View Overlay into the plugin. I also added the ability to plot multiple addresses ajaxally via a json object and add a business name to the infoWindow.

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I created a JQuery Plugin, imValidateForm. As the name suggests, the plugin is used to validate forms. In this post, I will discuss how to use the imValidateForm plugin with CodeIgniter.

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I have recently been updating the JQuery imGoogleMaps Plugin that I created earlier this year. The new version of the plugin will display multiple addresses on a Google Map. I’ll discuss the updated version of the imGoogleMaps plugin in another post. In this post, I’ll discuss how to use JQuery to load multiple addresses from Json data.

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Although Prototype is the default Javascript Framework for CakePHP, using JQuery (or any other Ajax Framework) with Cake could not be easier. Perhaps the most difficult aspect of integrating JQuery with Cake was trying to find documentation on some of those little things that are necessary to return a result set without an error (see my post, CakePHP and Ajax: Missing View).

Note: I purposely wrote this post as if I were speaking to someone who has never used CakePHP. So some parts of this post may be common knowledge to the more experienced Bakers.

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I was asked by a client to create a bookflip (Page Turn) effect that did not require Flash. I found a Javascript class and decided to use it as the basis for a JQuery plugin. The imBookFlip plugin can load a book in an iframe or directly on the page. The book’s pages can be set to turn when manually clicked only, begin auto flip (turn automatically) as soon as the html page loads, or begin auto flip when first page (front cover is clicked). Adding audio is easy because Sound Manager can be used with the plugin.

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I created simple JQuery plugin that rotates images on a page. Actually, there are two modes. In the default mode, the plugin will display a randomly selected image. In the other mode, the plugin will rotate images on a page (fading in/out). In this mode, you can select the speed of the rotation. The image data can be retrieved ajaxally (json or a comma separated list). If the data is Json, a url can be added for each image.

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