Ajax load the content from a variable with text string?

@m3g4p0p
thanks dude.
it works.

Here are the complete codes…

<html>
<head>
    <meta charset="UTF-8">
    <title>Title of the document</title>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script>
    
    <style type="text/css">

    </style>    
</head>

<body>
    <button id="done" type="button">Click Me!</button>
    <br><br>

    <textarea id="right-answer" rows="4" cols="50">

    </textarea>    
    

    <script>
        var answer = 'Testing...';
        var button = document.getElementById('done');
        var textarea = document.getElementById('right-answer');

        button.addEventListener('click', function() {
            textarea.value = answer;
        });        
    </script>
</body>
</html>

thanks again.