Learning From “Support” Comments in the jQuery Source
Back in 2014 a couple of developers launched a website called You Might Not Need jQuery that listed alternatives to jQuery features using vanilla JavaScript and DOM techniques, along with browser support. The site was shared quite a bit in the community.
In response, a couple of other developers released a Google doc that explains why you should not be too quick to drop jQuery without careful consideration of all the problems it overcomes.
In this post, based on some instructions in that Google doc, I’ll describe how you can examine the DOM bugs and incompatibilities that jQuery attempts to address.