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Sep 29

JavaScript and DOM compatibility

2005 at 03.13 am posted by Veerle Pieters

JavaScript has long been a second class citizen on Mac but thanks to the arrival of Mac OS X a lot has changed. It seems that the use of advanced JavaScript techniques on the web have been reborn thanks to web apps like 37 Signals Backpack for example.

I’m not a fan of using buzz words but hey we are talking about Web 2.0, AJAX or DHTML here ;-) It seems like ages ago but in 1997 I’ve won a Macromedia DHTML award for our company site Woohoo! ;-) But let’s get serious now and talk about the great work the web team at Apple is doing in making Safari a top notch browser. So what about JavaScript and DOM compatibility in WebKit?

The team did some testing against a number of test suites, including the JavaScript test suite from Mozilla and several DOM test suites from the W3C. They are also working to support nonstandard “DOM Level 0” features and Firefox and Mozilla quirks. Good news is that they’re making a lot of progress on the standards stuff too.

So let’s look at the latest cvs version of WebKit:

JavaScript

Mozilla JavaScript tests1111 total1018 passed 91.63% success

DOM (in HTML pages)

DOM Level 1 Core (html) 238 total 226 passed 95.0% success
DOM Level 2 Core (html) 11 total (*1) 11 passed 100% success
DOM Level 2 Events (html) 26 total 26 passed 100% success
DOM Level 2 HTML (html) 685 total 680 passed 99.3% success

DOM (in XHTML pages)

DOM Level 1 Core238 total212 passed 89.1% success
DOM Level 2 Core 11 total (*1) 7 passed 63.8% success
DOM Level 2 Events (xhtml) 26 total 26 passed 100% success
DOM Level 2 HTML (xhtml) 687 total 597 passed 86.9% success
DOM Level 3 Core (xhtml) (*2) 708 total 78 passed 11.0% success

The above section applies only to XHTML pages served with an XHTML mime type. This doesn’t apply to most XHTML pages on the web today. The team is looking at improving future support to make XHTML and XML work really well in the WebKit engine. *1. A lot of the DOM Level 2 Core tests are not available in HTML standalone versions yet - we’re working with the W3 Consorium’s QA working group on this.
*2. DOM Level 3 support is completely experimental - They haven’t really made a full-on attempt to work on it yet. (Source: Safari weblog) So not bad to see the team still very commited in their work for making the Mac platform a great tool for development.


3served

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permalink this comment luxuryluke Thu Sep 29, 2005 at 09.59 am

I just read this article feed in adactio’s (jeremy keith) feeds page. An inredible example of what AJAX/Web2.0/DHTML/xmlhttprequest can do for a guy. or girl.
Then i clicked through and read the rest here. Amazing. I’m thrilled. Bought his book DOMScripting. Anxious to learn it!

btw, great site, tutes, articles, etc.! Thanks!


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permalink this comment homer Thu Sep 29, 2005 at 02.17 pm

D’oh!!! What are you talking about, girl?!?


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permalink this comment Bryan Thu Sep 29, 2005 at 02.27 pm

It’s about time that people started making the web more than a static site (besides flash). I really hope new technology pushes ajax & other scripting to new limits. Maybe someday we can goto a website and it will be like using a whole new operating system….



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