jquery set input value

1//for imput field given in HTML
2
3<input type="text" id="myid" class="myclass" >
4  
5// Using ID to find value
6  
7$("#myid").val();
8
9// Using Class to find value
10
11$(".myclass").val();
12 

1$('selector').val('new value');

1    $("button").click(function(){
2  $("input:text").val("Glenn Quagmire");
3 })

1$("button").click(function(){
2  $("input:text").val("Glenn Quagmire");
3});

1$('#IdOfTheField').on('change', function() {
2  alert( this.value );
3});