example.html

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>Offline Requests</title>
    <!-- Bootstrap -->
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.min.css">
    <!-- Offline-js -->
    <link rel="stylesheet" href="http://github.hubspot.com/offline/themes/offline-theme-chrome.css">
    <link rel="stylesheet" href="http://github.hubspot.com/offline/themes/offline-language-english.css">
</head>

<body>
    <div class="container">
        <div class="jumbotron">
            <h3>Handling Failed Requests</h3>
            <form id="form1" class="form-horizontal">
                <div class="form-group">
                    <div class="col-md-6">
                        Name:
                        <input type="text" name="name" value="" class="form-control">
                    </div>
                </div>
                <div class="form-group">
                    <button type="submit" name="button" class="btn">Send</button>
                </div>
            </form>
        </div>
    </div>
    <script src="/lib/handle-requests.min.js"></script>
    <script type="text/javascript">
        var req = new Request()
        document.getElementById('form1').addEventListener('submit', function (e) {
            e.preventDefault()

            var inputs = [].slice.call(e.target.getElementsByTagName('input'))
            var data = {}

            inputs.forEach(function (input) {
                data[input.name] = input.value
            })

            req.send('/example.html', data).then(function (res) {
                console.log(res.data)
            })
        })
    </script>
</body>

</html>