title: Assign priority to nodejs tasks in a event loop
body: <p>Is there any way by which one can apply priority to Node.js task's in a event loop.
  I want to assign priority to task which are present in a event loop of nodejs.
  <br>Suppose in a event loop there are 5 jobs A,B,C,D,E which having same priority and then next job is received whose priority is higher than last five jobs. Then event loop starts executing that higher priority job.</p>