Thanks to this tutorial I was able to spin up fairly quickly on jQuery. So now that I have some idea what it is about, I can see why some programmers swear by it. As a design pattern, jQuery appears to do exactly what its name implies: "query" and update the DOM more efficiently in LOC than JavaScript alone. I think that's about the gist of it.
Going further, it's kind of like assembly language for the DOM. I say this because, as an outsider looking in, I don't find jQ the most readable language I've used. $ for the jQuery constructor? $("#divA") finds divA? What can I say? It works.
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