22

I have a form where the user can update his name and last name. I use jQuery validation to validate the form. How can I validate if the user put spaces?

here's what i have:

<script>
$(document).ready(function(){ 
 $('#submit').click(function() {
 var valid = $("#myform").valid();
 if(!valid) {
 return false;
 }
 $.ajax({
 type: "POST",
 url: 'save',
 data: $('#myform').serialize(),
 dataType: 'json',
 cache: false,
 success: function(result) {
 // redirect to another page
 }
 });
 });
 });
</script>
</head>
<body>
<form id="myform" method="post" action="">
<fieldset>
<legend>update name</legend>
<p>
 <label for="fname">Name</label>
 <em>*</em><input id="fname" name="fname" size="25" class="required" minlength="2" />
</p>
<p>
 <label for="lname">Last Name</label>
 <em>*</em><input id="lname" name="lname" size="25" class="required" minlength="2" />
</p>
<p>
 <input id="submit" type="submit" value="Submit"/>
</p>
</fieldset>
</form>

thanks

Book Of Zeus
49.9k18 gold badges176 silver badges171 bronze badges
asked Nov 12, 2011 at 1:47

1 Answer 1

31

use this for your javascript code:

$(document).ready(function() {
 jQuery.validator.addMethod("noSpace", function(value, element) { 
 return value.indexOf(" ") < 0 && value != ""; 
 }, "Space are not allowed");
 $("#myform").validate({
 errorLabelContainer: $("#error"),
 rules: {
 fname: { required: true, noSpace: true },
 lname: { required: true, noSpace: true }
 },
 messages: {
 fname: { required: 'Please enter your name' },
 lname : { required: "Please enter your last name" }
 }
 });
 $('#submit').click(function() {
 var valid = $("#myform").valid();
 if(!valid) {
 return false;
 }
 $.ajax({
 beforeSend: function() {
 // display loading message
 },
 type: "POST",
 url: 'save',
 data: $('#formdata').serialize(),
 dataType: 'json',
 cache: false,
 success: function(result) {
 if(result.error) {
 // show error message
 }
 else {
 // redirect to another page
 }
 },
 error: function (response, desc, exception) {
 // show ajax error
 },
 complete: function() {
 // hide loading message
 }
 });
 });
});
answered Nov 12, 2011 at 1:54
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