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Ajax Spinner Form #8

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Ajax Spinner Form #8

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Ajax Form
Asharee Mar 31, 2026
e33ca2f
Update ajax-form.html
Asharee Apr 6, 2026
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107 changes: 107 additions & 0 deletions html/ajax-form.html
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<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Buttondown Submit Form with Spinner</title>
<style>
form {
border: 4px solid #f1f1f1;
}
.button {
padding: 5px;
background-color: #f1f1f1;
}
.button-container {
padding: 10px;
}

.email {
padding: 2px;
display: inline-block;
margin-bottom: 5px;
}

.card {
padding: 5px;
background-color: #f1f1f1;
}

input[type=submit]:hover {
opacity: 0.8;
}

@keyframes spin {
0% { transform: rotate(0deg); }
100% { transform: rotate(360deg);}
}

.spinner {
display: none;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
border: 5px solid #f3f3f3;
border-top: 5px solid #3498db;
border-radius: 50%;
width: 50px;
height: 50px;
animation: spin 1s linear infinite;
}
</style>
</head>
<body>
<div class="card">
<form action="https://buttondown.com/api/emails/embed-subscribe/{username}" method="post" id="form">
<div id="spinner" class="spinner"></div>
<h3>Stay informed</h3>
<p>You'll be the first to know when we launch.</p>
<div class="email">
<label for="email" class="email">Email</label>
<input id="email" name="email" type="email" placeholder="m@example.com" />
</div>
<div class="checkbox-group">
<span style="font-weight:500; display:inline-block; margin-bottom:0.25rem; padding:2px">Topics</span>
<label>
<input id="product-updates" type="checkbox" name="tag" value="product-updates" />
Product updates
</label>
<label>
<input id="tutorials" type="checkbox" name="tag" value="tutorials" />
Tutorials
</label>
<label>
<input id="news" type="checkbox" name="tag" value="news" />
News and announcements
</label>
</div>
<div class="button-container">
<button class= "button" type="submit">Subscribe</button>
</div>
</form>
</div>
<script>
const form = document.getElementById('form');
const spinner = document.getElementById('spinner');
const formData = new FormData(form);

form.addEventListener('submit', async function (event) {
event.preventDefault(),
spinner.style.display = 'block'}
);

fetch('https://buttondown.com/api/emails/embed-subscribe/{username}',{
async: true,
crossDomain: true,
method: 'POST',
headers: {},
body: formData
})
.then(response => response.json())
.then(data => console.log(data), spinner.style.display = 'none')
.catch(error => console.error('Oh no! there was an error submitting the form:', error), spinner.style.display = 'none'
);
</script>
</body>
</html>
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