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Razor Optimizer, a New Approach for Ajax Optimization

Wednesday, November 5th, 2008

I am excited to announce the early beta release of Razor Optimizer, a JavaScript optimization tool for reducing code footprint and increasing runtime performnace. As a cross-browser web application itself, Razor Optimizer can be access either online as a service, or to be downloaded to run locally. ...

JavaScript Optimization Techniques Today

Monday, October 27th, 2008

The wild popularity of Ajax fueled widespread usage of JavaScript. Almost every web 2.0 application relies on JavaScript to deliver front end interactivity. A growing list of JavaScript libraries (over 200+) are being created by various Ajax developers, some of which have gathered significant community adoption. Though the usage of ...

Ajax-heavy Applications on Google Chrome

Wednesday, September 3rd, 2008

"This is the best browser so far" is that I can say after being a Chrome user for one day.  First of all, I was glad to find out that I haven't found Chrome breaking any web application yet, especially Ajax applications. I was a little concerned about this, given that ...

The 64KB Java Language Problem - Lesson Learned from Using Rhino to Process JavaScript

Monday, September 1st, 2008

This entry documents a few tips related to using Rhino JavaScript Engine to process JavaScript code. If you are using Rhino, you probably won't run into the issues covered in this post during development or even testing. However, you are fairly likely to run into these issues after your system ...

OpenAjax Publishes Future Browser Feature Wish List Results

Thursday, July 17th, 2008

What does the Ajax community want from future browsers? How are these different requests prioritized? Web developers have done amazing things with Ajax for both Web 1.0 and Web 2.0 applications, but what barriers need to be removed to enable the next generation of browser-based innovations? The future of Ajax ...

OpenAjax F2F Meeting at NYC

Monday, March 24th, 2008

The F2F meeting of OpenAjax Alliance at NYC on March 21st worked out really well in my oppinion. As a result of the last F2F meeting in October 2007, we formed a new task force called "Runtime Advocacy Task Force" at OpenAjax. The goal of Runtime Task Force is to collect ...

A Study of Ajax Performance Issues

Tuesday, January 22nd, 2008

Introduction: Ajax application performance largely depends on the performance of JavaScript execution and browser DOM operations. I've heard various people saying various things about Ajax performance. Some people say JavaScript is just too slow. Some people say that the problem is not JavaScript but rather Browser DOM being too slow. ...

Programmatic DOM Node Manipulation on IE

Wednesday, January 2nd, 2008

Programmatic DOM node manipulation is actually not straightforward, given that Internet Explorer has so many unique DOM behaviors. I ran into quite a few issues recently when I was playing with Dojo Toolkit . I didn’t find a thorough answer to my questions when going through Dojo source code (Pardon ...

Is This a Little Too Much Hacking for Prototype.js?

Wednesday, November 21st, 2007

Prototype.js is a popular Ajax toolkit for web developers. I have enjoyed using it despite the complains I heard from people about how Prototype.js does too much JavaScript hacking that breaks other people's code. One of the common one complains is that Prototype.js adds methods to built-in JavaScript objects ...

Low Level Ajax Coding GotCha

Saturday, November 17th, 2007

People say Ajax is hard...and this may be why. I spent some time playing with Bob Buffone's newest work on Ajax over the last few days. Bob built an xModify processor that runs on either jQuery, Dojo or Mootools. The xModify processor is powerful but quite lightweight (10KB without gzip). There ...

OpenAjax Hub 1.0 and InteropFest

Saturday, September 22nd, 2007

OpenAjax Alliance has made substantial progress in the last 12 months since its inception. The cornerstone is OpenAjaxHub 1.0 (OaaHub 1.0). OaaHub 1.0, an open source project under Apache V2 license, focuses on interoperability - it enables different Ajax components to inter-operate with each other using a "pub/sub" mechanism while ...

Dojo Grid and Open Source Community Contribution

Monday, September 17th, 2007

My company, Nexaweb, together with SitePen, Mozilla Foundation, Redfin, etc, joined force in making an important contribution to the open source community. See SitePen, Mozilla Foundation, Nexaweb Technologies, Redfin, & SnapLogic Announce Open Source Contribution of TurboAjax Group’s High-Performance Grid Widget to Dojo Foundation. This is interesting not only because it bridges a ...

Dojo 0.9 Released

Tuesday, August 21st, 2007

Congratulations to the Dojo team in getting 0.9 out! It is something that I have been looking for. Alex Russell showed me some significant improvements comparing to Dojo 0.4 a while ago (much smaller footprint, 10X performance improvement, etc). Now these guys have delivered it! See the release note for ...

OpenAjax CommunicationHub Problem Definition

Tuesday, May 29th, 2007

Introduction OpenAjax Alliance has been growing well with over 70 members. The initial OpenAjaxHub received immediate community response - most are positive and a few responses were negative but turned out to be very helpful. Over ten Ajax offerings demonstrated support for OpenAjaxHub already (such as Apache XAP, Dojo, Nexaweb AjaxClient, ...

Dojo Footprint and Ajax Performance Recommendation

Wednesday, April 4th, 2007

Introduction Ajax is flying high and Ajax toolkits are certainly of big help. However, I do hear from people in the community complain about the size of various Ajax toolkits. A lot of Ajax toolkits require hundreds of kilobytes of download, sometime even over megabytes. Dylan Schiemann from Dojo ...