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<!DOCTYPE html>
<html>
<meta charset="UTF-8">
<script src="https://cdn.jsdelivr.net/pako/1.0.3/pako.min.js"></script>
<script>
'use strict';
// Initial object //////////////////////////////////////////////////////////////
const obj = [
{ foo: 'bar', baz: 'БАТ' },
{ abra: 1, cadabra: null }
]
// Convert /////////////////////////////////////////////////////////////////////
var str = JSON.stringify(obj);
// Compress ////////////////////////////////////////////////////////////////////
var result = window.pako.deflate(str);
// Send data to server
//
// Use multipart/form-data:
//
// - small overhead
// - well known format, easy to process anywhere
//
/////////////////////////////////////////////////////////
function send() {
var xhr = new XMLHttpRequest;
console.log('Sending data...');
xhr.open('POST', 'http://localhost:8000/', true);
var formData = new FormData(document.forms.person);
var blob = new Blob([ result ], { type: 'application/octet-stream'});
formData.append('binson', blob);
xhr.send(formData);
setTimeout(send, 5000);
}
send();
</script>
</html>
<body>
Sending objects to server, run server code to see result.
</body>
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