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CSS

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JavaScript

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HTML 

              
                <div class="outer">
	<div class="container">
		<div id="infinity"></div>
		<h1>Auto-Split Input Fields</h1>
		<form class="form"> 
			<div class="full-name form-group">
				<label for="name">Name</label>
				<input type="text" id="name" placeholder="Enter your name" class="input" required/>
			</div>
			<div class="row name-split split">
				<div class="col-lg-6 col-md-6 form-group">
					<label for="first_name">First Name</label>
					<input type="text" name="fist_name" id="first_name" placeholder="Enter your first name" class="input" required/>
				</div>
				<div class="col-lg-6 col-md-6 form-group">
					<label for="last_name">Last Name</label>
					<input type="text" name="last_name" id="last_name" placeholder="Enter your last name" class="input" required/>
				</div>
			</div>
			<div class="full-email form-group">
				<label for="full_email">Email</label>
				<input type="email" id="full_email" placeholder="Enter your email" class="input" required/>
			</div>
			<div class="row email-split split">
				<div class="col-lg-6 col-md-6 form-group">
					<label for="email">Email</label>
					<input type="email" name="email" id="email" placeholder="Enter your email" class="input" required/>
				</div>
				<div class="col-lg-6 col-md-6 form-group">
					<label for="username">Username</label>
					<input type="text" name="username" id="username" placeholder="Enter your username" class="input" required/>
				</div>
			</div>
			<div class="full-password form-group">
				<label for="full_password">Password</label>
				<input type="password" id="full_password" placeholder="Enter your password" class="input" required/>
			</div>				
			<div class="row password-split split">
				<div class="col-lg-6 col-md-6 form-group">
					<label for="password">Password</label>
					<input type="password" name="password" id="password" placeholder="Enter your password" class="input" required/>
				</div>
				<div class="col-lg-6 col-md-6 form-group">
					<label for="password_confirm">Confirm Password</label>
					<input type="password" name="password_confirm" id="password_confirm" placeholder="Enter your password again" class="input" required/>
				</div>
			</div>     
			<input type="submit" class="submit" value="Create Account"/>				
		</form>
		<p class="well-lg text-center">
			Use tab to switch fields.  
		</p>
	</div>
</div>
!

CSS 

              
                //Variables
$font-family: 'Roboto', sans-serif;
$font-size: 14px;
$body-bg: #422364;
$form-bg: #fff;
$primary-color: #e7572c;
$secondary-color: lighten($body-bg, 20%);
$input-bg : darken($form-bg, 7%);
$input-padding: 10px 12px;

::-webkit-input-placeholder{
  color: $secondary-color;  
	opacity: 0.9;
}
::-moz-placeholder {
	color: $secondary-color;   
	opacity: 0.9;
}

body{
  margin:0;
  height: 100%;
  background: $body-bg;
  font-family: $font-family;
  font-size: $font-size;
  line-height: 1.4; 
	color: lighten($secondary-color, 10%);
}
a {
  color: $primary-color;
  //active, hover, focus
  &:hover, &:focus, &:active{
    color: $primary-color;  
    text-decoration: underline;
  }
}
input{
  font-family: $font-family;
  font-size: $font-size;
	outline: none;
}
.outer{
  margin-top: 5%;
}
.container{
  max-width: 420px;
  width: 100%;
  margin: auto;    
  //form
  .form{
    background: $form-bg;
    border-radius: 4px;
    padding: 20px;
		box-shadow: 0px 3px 6px rgba(0,0,0,0.1);
  }
}
h1{
  color: lighten($secondary-color, 10%);
  text-align: center;
  padding-bottom: 10px;
	font-weight: lighter;
}
.input{  
  display: block;
  width: 100%;
	background: $input-bg;
  color: $secondary-color;
  padding: $input-padding;
  border-radius: 3px;
  border: solid 1px;
	border-color: transparent;
	transition: all 0.3s ease-in;
	//:focus
	&:focus{
		color: lighten($secondary-color, 10%);
		background: #fff;
		border-color: $primary-color;
	}
}
.submit {
  background: $primary-color;
  color: #fff;
  cursor: pointer;
  padding: $input-padding;
  display: block;
  width: 100%;
  border-radius: 3px;        
  border: none;    
  font-weight: bold;
  text-transform: uppercase;    
  margin: 0;	
	text-shadow: 0px 1px 1px darken($primary-color, 10%);
	transition: all 0.3s linear; 
	//:active, :focus, :hover
	&:active, &:focus, &:hover{
		background: darken($primary-color, 10%);
	}
	//:active, :focus
	&:active, &:focus{		
		box-shadow: inset 0px 1px 2px darken($primary-color, 20%);
	}
}
.split{
  display: none;
}
label{
  color: $secondary-color;	
}
#infinity {
	position: relative;
	width: 125px;
	height: 70px;
	margin: auto;		
}

#infinity:before,
#infinity:after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 60px;
    height: 60px;
    border: 16px solid $primary-color;
    -moz-border-radius: 50px 50px 0 50px;
         border-radius: 50px 50px 0 50px;
    -webkit-transform: rotate(-45deg);
       -moz-transform: rotate(-45deg);
        -ms-transform: rotate(-45deg);
         -o-transform: rotate(-45deg);
            transform: rotate(-45deg);	
}

#infinity:after {
    left: auto;
    right: 0;
    -moz-border-radius: 50px 50px 50px 0;
         border-radius: 50px 50px 50px 0;
    -webkit-transform: rotate(45deg);
       -moz-transform: rotate(45deg);
        -ms-transform: rotate(45deg);
         -o-transform: rotate(45deg);
            transform: rotate(45deg);
}
!

JS 

              
                jQuery(document).ready(function($){  
  //Name Split
  $("#name").change(function(){    
  	var nameVal = $(this).val()
    var nameLength = nameVal.length;
    var nameSplit = nameVal.split(" ");    
    var lastNameLength = nameSplit[0].length + 1;
    var lastName = nameVal.slice(lastNameLength);   
    $(".full-name").fadeOut(0);
    $('#first_name').val(nameSplit[0]);
    $('#last_name').val(lastName);
    $('.name-split').fadeIn(100);
  });  
  
  //Email Split
  $("#full_email").change(function(){    
  	var emailVal = $(this).val();    
    var emailSplit = emailVal.split("@");  
    $(".full-email").fadeOut(0);		
    $('#email').val(emailVal);
    $('#username').val(emailSplit[0]);    
		$('.email-split').fadeIn(100);
  });  

	//Password Split
 $("#full_password").change(function(){    
  	var passwordVal = $(this).val();      
    $(".full-password").fadeOut(0);
    $('#password').val(passwordVal);   
    $('.password-split').fadeIn(100);
		$('#password_confirm').focus();
  });  		
});
!
999px

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