My job has a lot of little customers with little projects and some older ones were made with jquery and we keep on keeping on. Why not? Also if we have to make

My job has a lot of little customers with little projects and some older ones were made with jquery and we keep on keeping on. Why not? Also if we have to make similar projects we branch from older ones. So some of our current development uses jquery which raises some eyebrows but nothing like using 95% battle hardened code than starting fresh because…