JQuery has gained the popularity in recent times.
Basically, JQuery is written in Javascript. Using Jquery, your code will be compact as well you don't need to write long codes.
Another advantage of JQuery is Plugin. So, you can use new plugin or extend plugin as per your requirement.
But again, you need to use JQuery very carefully otherwise it will will lead to slow performance.
This article might find you interesting,
http://tech-pub.com/advantages-and-disadvantages-of-jquery/[
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