jQuery addClass example

Change class name on click in jQuery

HTML

<div class="banner-message">

</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;
}

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

$(document).ready(function(){
const test = [
  {
    name: 'Alex',
    text: 'CommentariesAlex'
  },
  
  {
    name: 'Bob',
    text: 'CommentariesBob'
  },
  
  {
    name: 'Tim',
    text: 'CommentariesTim'
  }
  ]; 

  $('.banner-message').html(test[0].text)
})