how to insert delay in javascript code example

Example 1: javascript HOW set delay

var delayInMilliseconds = 1000; //1 second

setTimeout(function() {
  //your code to be executed after 1 second
}, delayInMilliseconds);

Example 2: how create a delay for html js

console.log("Hello");
setTimeout(() => {  console.log("World!"); }, 2000);