title: Why is jQuery a lightweight library?
body: <p>jQuery is preferred a lot these days and one of the reasons or plus point is that it is said to be a very lightweight library. My question is what exactly makes it a lightweigt library? Is it the way the code is written OR is it the event handling mechanism OR has it something to do with the DOM?</p>
  
  <p>Also to add, the performance of any web app which uses jQuery is much better compared to one with normal Javascript (e.g. smoother animation effects).</p>