File size: 1,094 Bytes
d21cb06 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | {% extends 'base.html' %}
{% block intro %}
<a href="https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/fetch"><code>fetch</code></a>
is the <em>new</em> plain JavaScript way to make requests. It's
supported in all modern browsers except IE, which requires a
<a href="https://github.com/github/fetch">polyfill</a>.
{% endblock %}
{% block script %}
<script src="https://unpkg.com/promise-polyfill@7.1.2/dist/polyfill.min.js"></script>
<script src="https://unpkg.com/whatwg-fetch@2.0.4/fetch.js"></script>
<script>
function addSubmit(ev) {
ev.preventDefault();
fetch({{ url_for('add')|tojson }}, {
method: 'POST',
body: new FormData(this)
})
.then(parseJSON)
.then(addShow);
}
function parseJSON(response) {
return response.json();
}
function addShow(data) {
var span = document.getElementById('result');
span.innerText = data.result;
}
var form = document.getElementById('calc');
form.addEventListener('submit', addSubmit);
</script>
{% endblock %}
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