get form value in jquery code example

Example 1: jquery this value

$( "input" )
    var value = $( this ).val();

Example 2: javascript jquery get form field value

$(document).ready(function(){
         
             $("#buttonSet").click(function () {
                 $("#txtBox").val("Amit");
                 $("input:radio").val(["male"]);
                 $("#buttonGet").removeAttr('disabled');
            });
             $("#buttonGet").click(function () {
                $("#result").html(
                    $("#txtBox").val() + "<br/>" +
                    $("input:radio[name=rd]:checked").val()
                );
            });
         });