jQuery Validators Form เทคนิคการใช้ jQuery เพื่อตรวจสอบค่าว่าง หรือ ความถูกต้องข้อมูลใน Form ด้วย jQuery Validators

	<link rel="stylesheet" href="css/validationEngine.jquery.css" type="text/css"/>
	<link rel="stylesheet" href="css/template.css" type="text/css"/>
	<script src="js/jquery-1.6.min.js" type="text/javascript">	</script>
	<script src="js/languages/jquery.validationEngine-en.js" type="text/javascript" charset="utf-8"></script>
	<script src="js/jquery.validationEngine.js" type="text/javascript" charset="utf-8">

	<script>
		jQuery(document).ready(function(){
			// binds form submission and fields to the validation engine
			jQuery("#formID").validationEngine();
		});

	</script>

<form id="formID" class="formular" method="post">
		<fieldset>
			<legend>
				Required!
			</legend>
			<label>
				<span>Field is required : </span>
				<input value="" class="validate[required] text-input" type="text" name="req" id="req" />
			</label>
			<label>
				<span>Favorite sport 1:</span>
				<select name="sport" id="sport" class="validate[required]">
					<option value="">Choose a sport</option>
					<option value="option1">Tennis</option>
					<option value="option2">Football</option>
					<option value="option3">Golf</option>
				</select>
			</label>
			<label>
				<span>Favorite sport 2:</span>
				<select name="sport2" id="sport2" multiple class="validate[required]">
					<option value="">Choose a sport</option>
					<option value="option1">Tennis</option>
					<option value="option2">Football</option>
					<option value="option3">Golf</option>
				</select>
			</label>
			<br/>
			validate[required]
		</fieldset>
</form>