demo.html

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>Prompt Writer</title>
        <link href="prompt-writer.css" rel="stylesheet">

        <style media="screen">
            #text-prompt {
                font-size: 50px;
            }
        </style>

    </head>
    <body>

        <div id="text-prompt"></div>

        <script src="prompt-writer.js"></script>

        <script type="text/javascript">

            var promptWriter = new TextWriter({

                // Selector that will receive the text
                element        : document.getElementById('text-prompt'),

                // Text
                text           : [
                    'Prompt-writer',
                    'This is the beginning of a beautiful friendship.',
                    'You\'re gonna need a bigger boat.',
                    'Nobody exists on purpose. Nobody belongs anywhere. Everybody’s gonna die. Come watch TV?',
                    'May the Force be with you.',
                    'The first rule of Fight Club is: You do not talk about Fight Club.'
                ],

                // Duration before the text starts writing
                addDelay       : 1000,

                // How fast each letter is added
                addSpeed       : 10,

                // Somewhat simulate human typing by varying the speed (by a +/- variance)
                speedVariance  : 100,

                // Delay deleting before erasing
                deleteDelay    : 1500,

                // How fast each letter is removed
                deleteSpeed    : 40,

                // Infinite loop
                loopInfinitely: true,

                // End the text where? 'start' or 'end' this needs to be implemented
                // endPoint: 'end',

                // Character to use for the cursor: | and _ are great
                cursorCharacter: '|'

            });

        </script>
    </body>
</html>