I’ve used Dojo for four years and I love it. Most developers I’ve worked with hate it and always suggest using JQuery.
The real beauty of Dojo is in it’s ability to create reusable and extend-able classes out of your javascript code. So you end up with a javascript application rather than code snippets here and there.
The technique i currently started invplves using Dojo to create the hull of my Javascript apps and JQuery inside of my methods, which has turned out to work really well.

It’s taken me 8 hours to custom-style a DropDownButton, and I still haven’t gotten it completely looking like I want it to. What a nightmare. How does Dojo expect people to have control over the style of widgets when the structure of Dojo widgets is so complicated?? There needs to be some listing of all the styles affecting each widget — and no, sifting through style sheets in firebug isn’t gonna cut it (at least it didn’t work for me).

Coming from Actionscript/Flash and with some solid PHP knowledge, I was really looking into JavaScript for the first time just recently. I have to say that jQuery is served in a way that you get the “look no further”-feeling. I am just checking out DOjo because it’s good to know more…

I’ve chose Dojo library and I can’t say it was easy to learn. in fact, it wasn’t. But as Jim said, once you understand the architecture and the widgets structure, the possibilities just open up wide for a developer. Also, you can always compress the code and the number of server calls drop significantly (as per notes of Dojo being sluggish) …
Started a jQuery 2weeks ago (project decision) and I must admit, it’s slightly easier to build some basic functionalities…I’m now more into jQuery now, but just because I want to handle both.

I’ve written cross-browser Ajax js code from scratch, and used JQuery and Dojo. Dojo for 2+ years. Dojo is definately not for beginners, and the documentation is poor, though the library and dijit library are well written. When you get into it you can do some fantastic things. But the learning curve is steep.

I haven’t tried to use Dojo with another library on the same project, but I think it would work fine.

i have always been a Scriptaculous/Prototype user and been meddling with jQuery… now i found Dojo and it looks pretty neat… it does alot of cool stuff so i cant wait to use it but i wanted to know if it was compatible with any other javascript libraries… normally i choose one but i was just curious
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nice info sharing. Thank’s a lot for informatif posting ^_^
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Yes, I have grown much more comfortable with Dojo and have even created a few widgets. The documentation is much better than when I first started (dojocampus.org). I developed using Flash for many years, but I switched to Ajax primarily for SEO reasons. I still use Flash on occasion, but because most search engines can’t read flash content, I try not to create an entire html page with Flash only.

I’ve done a few projects with Dojo and yes I did struggle early on. It was like learning from scratch again. I was impressed, however, with Dojo, particularly with the Grid widget. I used it against Ruby on Rails, Java and PHP in the back end without having to change anything in Dojo as it integrated through JSON. I’m currently working on a project in Drupal and JQuery is built in so I don’t think I will be doing too much Dojo in the near future. Even though it is not open source Flash is more suited to my needs presently so I will be looking to it as my RIA technology.