Here's a funny site that jokingly talks about this: http://vanilla-js.com/
I am not against jQuery, I use it a lot.
You can't find a lot of information about Haxe and JS. If you find an article about the subject it's rare.
The first one who wrote about VanillaJS in combination with Haxe is Philippe Elsass (also known as the FlashDevelop guy). It's an interesting article and I suggest you read it:
This is an awesome document explaining how it works in Haxe. You can download the code at https://github.com/elsassph/vanilla-haxe-js.
Read something more about the jQuery vs VanillaJS discussion