I use jQuery because it is a library that performs very well and helps me do things in a pragmatic way. No doubt that JavaScript has gotten better but there are things that can be done via jQuery which are more elegant and easier to maintain. You write and application once and maintain it forever. There is nothing wrong with jQuery in 2019 or beyond. Web developers use dozens of libraries to make their lives easier. jQuery is no different in this regard.
It's fine if you can or want to write applications without jQuery but don't expect a gold star just because you didn't.
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I use jQuery because it is a library that performs very well and helps me do things in a pragmatic way. No doubt that JavaScript has gotten better but there are things that can be done via jQuery which are more elegant and easier to maintain. You write and application once and maintain it forever. There is nothing wrong with jQuery in 2019 or beyond. Web developers use dozens of libraries to make their lives easier. jQuery is no different in this regard.
It's fine if you can or want to write applications without jQuery but don't expect a gold star just because you didn't.