<head>
  <script src="https://code.jquery.com/jquery-3.4.1.min.js" integrity="sha256-CSXorXvZcTkaix6Yvo6HppcZGetbYMGWSFlBw8HfCJo=" crossorigin="anonymous"></script>

  
</head>
<body>

<input id="myinput" value="">
  </body>

$('#myinput').on('input', function (event) {
  console.log('Событие ввода');
  console.log(event);
  
  // ...
});
// пишем .val
 setTimeout(() =>{
   $('#myinput').val('5555'); 
 }, 5000); // не будет события

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.