JSFiddle - React, Tailwind, and code Playground

HTML

<form action="#" class="form-horizontal form-bordered" id="login" name="login">
            
            <div class="form-group">
              <label class="col-sm-3 control-label">Username</label>
              <div class="col-sm-6">
                <input type="text" placeholder="Username" class="form-control" name="Username" id="dbsusername" value=
                "xxxx">
              </div>
            </div>
            
             <div class="form-group">
              <label class="col-sm-3 control-label">Password</label>
              <div class="col-sm-6">
                <input type="text" placeholder="Password" class="form-control" name="Password" id="dbspassword" value="xxxx">
              </div>
            </div>
            
            <div class="row">
				<div class="col-sm-6 col-sm-offset-3">
            <label style="color: #FF0000" id="errorMessage"></label>
            	</div>
			 </div>
             
            <div class="row">
				<div class="col-sm-6 col-sm-offset-3">
				  <button class="btn btn-primary">Submit</button>&nbsp;
				  <button class="btn btn-default">Cancel</button>
				</div>
			 </div>
            </form>

JavaScript

$(document).ready(function(){
	
            $("#login").submit( function () {  
			
   		 	var str = $("#login").serialize();
			alert(str);
alert($("#dbsusername").val());
				$.ajax({
  					url: 'ajax/process_login.php',
					type: "POST",
					data: "dbsusername=xxxx&dbspassword=xxxx",
					
  					
  					success: function(result) {
						alert(result);
						var result=trim(result);
						if(result=='ok'){
                  			window.location='index.php';
             			}else{
                  			$("#errorMessage").html(result);
            			}
  					},
					
					error: function (request, textStatus, errorThrown) {
        				alert('text status: ' + textStatus + ' errorThrown: ' + errorThrown);
   					}
				});
				
				return false;
      		
						
			

            });

         




        });
		
		function trim(str){
			var str=str.replace(/^\s+|\s+$/,'');
			return str;
		}