const greetings = [
    'Hey!',
    'How\'s it going?',
    'Welcome!',
    'Hello to you!',
    'It\'s nice to see you!',
    'How are you?',
    'What\'s up?',
    'Hello!',
    'You\'re looking great today!',
    'Good day mate!',
    'Hello friend!',
    'Howdy!',
    'Guten Tag!'
];
$('#intro-text').html(greetings[Math.floor(Math.random() * greetings.length)]);