how to make a timer before executing a script in javascript code example

Example 1: timeout javascript

setTimeout(function(){
 	//code goes here
}, 2000); //Time before execution

Example 2: javascript wait 10 seconds

setTimeout(function () {
        // ...
    }, 10000);

// or

.then(() => {
  // ...
  ({ timeout: 10000 });
      });

Example 3: javascript wait 5 seconds

timeout(ms) { //pass a time in milliseconds to this function
    return new Promise(resolve => setTimeout(resolve, ms));
  }

Example 4: how to count seconds in javascript

var seconds = 0;
var el = document.getElementById('seconds-counter');

function incrementSeconds() {
    seconds += 1;
    el.innerText = "You have been here for " + seconds + " seconds.";
}

var cancel = setInterval(incrementSeconds, 1000);