https://ijcmas.com/js/feedback.js

1jQuery(function() {
2  jQuery('.error').hide();
3  jQuery(".but").click(function() {
4		// validate and process form
5		// first hide any error messages
6    jQuery('.error').hide();
7		
8	  var name = jQuery("input#name").val();
9		if (name == "") {
10      jQuery("span#name_error").show();
11      jQuery("input#name").focus();
12      return false;
13    }
14	  var email = jQuery("input#email").val();
15	  if (email == "") {
16      jQuery("span#email_error").show();
17      jQuery("input#email").focus();
18      return false;
19    }
20	
21	var emailReg = /^([\w-\.]+@([\w-]+\.)+[\w-]{2,4})?$/;
22	if(!emailReg.test(email)) {
23	jQuery("span#email_error2").show();
24    jQuery("input#email").focus();
25      return false;
26	}
27	
28	  var phone = jQuery("input#phone").val();
29		if (phone == "") {
30      jQuery("span#phone").show();
31      jQuery("input#phone").focus();
32      return false;
33    }
34	  var msg = jQuery("textarea#msg").val();
35	  if (msg == "") {
36	  jQuery("span#msg_error").show();
37	  jQuery("textarea#msg").focus();
38	  return false;
39    }
40		
41		var dataString = 'name='+ name + '&email=' + email + '&msg=' + msg+ '&phone=' + phone;
42		//alert (dataString);return false;
43		
44	  jQuery.ajax({
45      type: "POST",
46      url: "feedbackresult.php",
47      data: dataString,
48      success: function() {
49        jQuery('#contact_form').html("<div id='message'></div>");
50        jQuery('#message').html("<strong>Feedback Form Submitted!</strong>")
51        .append("<p>We will be in touch soon.</p>")
52        .hide()
53        .fadeIn(1500, function() {
54          jQuery('#message');
55        });
56      }
57     });
58    return false;
59	});
60});
61