new visitor example

by Marc Chehab

HTML

<div id="banner-message">
  <span id="new">You are new!</span>
  <span id="old">Oooooold...</span>
</div>

CSS

body {
  background: #20262E;
  padding: 20px;
  font-family: Helvetica;
}

#banner-message {
  background: #fff;
  border-radius: 4px;
  padding: 20px;
  font-size: 25px;
  text-align: center;
  transition: all 0.2s;
  margin: 0 auto;
  width: 300px;
}

#banner-message span {
  display:none;
}

JavaScript

if (localStorage.getItem('visitor') === null) {
	$("#new").show();
  localStorage.setItem('visitor', Math.random().toString(36).replace(/[^a-z]+/g, ''))
} else {
	$('#old').show();
  $('#old').html(localStorage.getItem('visitor'));
}