how to set value of input field 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: jquery set input value

$("button").click(function(){
  $("input:text").val("Glenn Quagmire");
 })