synchronous programming in javascript taking long time to execute code example

Example 1: javascript best way to create synchronous pause in program

console.log("Start");  
console.time("Promise");  
await new Promise(done => setTimeout(() => done(), 5000));  
console.log("End");  
console.timeEnd("Promise");

Example 2: javascript synchronous wait

function delay(n) {  
  n = n || 2000;
  return new Promise(done => {
    setTimeout(() => {
      done();
    }, n);
  });
}