example.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Bootstrap Data Template Example</title>
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
    <div id="user-template" data-template="user-card">
        <div class="panel panel-default">
            <div class="panel-heading">{{ name }}</div>
            <div class="panel-body">
                Email: {{ email }}
            </div>
        </div>
    </div>

    <script>
        function renderTemplate(id, data) {
            var template = document.getElementById(id);
            var templateString = template.innerHTML;
            Object.keys(data).forEach(function(key) {
                templateString = templateString.replace(new RegExp('{{ ' + key + ' }}', 'g'), data[key]);
            });
            template.innerHTML = templateString;
        }

        // Example data
        var userData = {
            name: 'John Doe',
            email: 'john.doe@example.com'
        };

        renderTemplate('user-template', userData);
    </script>
</body>
</html>