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HTML

              
                <div id="wrapper">
	<ol id="error-message">
	</ol>
	<form id="form" method="post">
		<label for="name">Name<label>
		<input id="name" class="form-control" name="name" type="text" placeholder="Your name" />

		<label for="email">Email<label>
		<input id="email" class="form-control" name="email" type="text" placeholder="your@email.com" />
			
		<label for="phone">Phone<label>
		<input id="phone" class="form-control" name="phone" type="text" placeholder="1234567890" />
				
		<label for="password">Password<label>
		<input id="password" class="form-control" name="password" type="password" />
			
			<label for="password-conf">Confirm Password<label>
		<input id="password-conf" class="form-control" name="passwordConf" type="password" />

		<input id="submit" class="btn btn-primary form-control" type="submit" value="Sign Up" />
		<input id="reset" class="btn btn-danger form-control" type="reset" />
	</form>
	</div><!--wrapper-->
              
            
!

CSS

              
                #wrapper
{
	margin: auto;
	width: 400px;
}
form input
{
	display: block;
	margin:5px 0;
	padding: 10px 5px;
}

form label {display: block;}
              
            
!

JS

              
                $(document).ready(main);

function main()
{
	$("#submit").click(validateForm);
}

function validateForm()
{
	$("#error-message").html("");
	var errorMessage = "";
	
	//check empty fields
	errorMessage += isEmpty($("#name"), "<li>Please provide a name</li>");
	errorMessage += isEmpty($("#email"), "<li>Please provide an email</li>");
	errorMessage += isEmpty($("#phone"), "<li>Please provide a phone number</li>");
	errorMessage += isEmpty($("#password"), "<li>Please provide a password</li>");
	errorMessage += isEmpty($("#password-conf"), "<li>Please confirm password</li>");
	
	//validate email
	if(!validateEmail($("#email")))
	{
		errorMessage += "<li>Invalid email</li>";
	}
	
	//validate phone
	if(!$.isNumeric($("#phone").val()))
	{
		errorMessage += "<li>Invalid phone number</li>";
	}
	
	//compare password fields
	if($("#password").val() !== $("#password-conf").val())
	{
		errorMessage += "<li>Passwords do not match</li>";
	}
	
	//handle results
	if(errorMessage !== "")
	{
		event.preventDefault();
		$("#error-message").html(errorMessage);
	}
	else
	{
		$("#form").submit();
	}
}

function validateEmail(email)
{
	var regex = /^[a-zA-Z0-9.!#$%&’*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$/;
	return regex.test(email.val());
}

function isEmpty(field, message)
{
	if(field.val() === "")
	{
		return message;
	}
	return "";
}
              
            
!
999px

Console