Loop-over-an-array-with-timeout.js

var input = [{
  'name': 'event1',
  'time': 1000
}, {
  'name': 'event2',
  'time': 2000
}, {
  'name': 'event3',
  'time': 3000
}];


var i = 0;
var inputLength = input.length;

function iterate() {

  if (i < inputLength) {
    var currentElement = input[i];
    console.log(`${currentElement.name} Started.`);
    setTimeout( function () {
      console.log(`${currentElement.name} Ended.`);
      iterate();
    }, currentElement.time);
  }

  i++;
}

iterate();