jQuery addClass example

Change class name on click in jQuery

by Victor

HTML

<textarea name="" id="" cols="30" rows="10"></textarea>

<div class="output">

</div>

CSS

body {
  background: white 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;
}

button {
  background: #0084ff;
  border: none;
  border-radius: 5px;
  padding: 8px 14px;
  font-size: 15px;
  color: #fff;
}

#banner-message.alt {
  background: #0084ff;
  color: #fff;
  margin-top: 40px;
  width: 200px;
}

#banner-message.alt button {
  background: #fff;
  color: #000;
}

JavaScript

$('textarea').change(function() {
  var toOut = $(this).val().replace(/(?:\r\n|\r|\n)/g, '<br/>');
  $('.output').text(toOut);

})