Event Loops Immediate Calls #JS 빠른 노트.

process.nextTick(functionBlockToExecute.); //Function here will be called first no matter it's place where it is declared but only thing is matter that it should be declared along with below other functions than it will execute first

new Promise((resolve, reject) => {
    resolve('bar'); // Promise resolution will be second in stack to be callled.
  });

new Promise((resolve, reject) => {
    resolve('bar');
  }).then((resolve) => {
    console.log(resolve);
    process.nextTick(zoo); //Here when a promise resiolved then will be called.
  });

 setImmediate(baz); //However setImmediate execute as soon as possible it still executed after above 3 scenarios.