> 30kb is completely insignificant. Also, if you're serving jQuery from one of the major CDNs (as many, perhaps most, sites do), the probability that it's alre

> 30kb is completely insignificant. Also, if you're serving jQuery from one of the major CDNs (as many, perhaps most, sites do), the probability that it's already in the browser's cache is pretty close to 1, in which case the "30kb overhead" is utterly irrelevant. > There is more to it than "wanting to learn". Indeed. What about people who just think the new official APIs suck? Strange as it may seem, there are people who would rather type "$" than "document.querySelector", especially when they're going to be doing it hundreds of times. With respect to "bloat", "$" is one character. "document.querySelector" is 22.