how to change input value in jquery code example

Example 1: how to get a value using jquery

//for imput field given in HTML

<input type="text" id="myid" class="myclass" >
  
// Using ID to find value
  
$("#myid").val();

// Using Class to find value

$(".myclass").val();

Example 2: jquery change value of input

$('selector').val('new value');

Example 3: javascript change input value jquery

$('#IdOfTheField').on('change', function() {
  alert( this.value );
});