<!doctype html> | |
<script> | |
window.addEventListener('message', event => { | |
const port = event.ports[0]; | |
fetch('empty', {method: 'POST', body: 'hello'}) | |
.then(() => port.postMessage({results: 'finish'})) | |
.catch(e => port.postMessage({results: 'failure:' + e})); | |
}); | |
</script> |