transformit

var transformit = require('transformit')('xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'); // Transloadit Key
 
var transformed = transformit(document.getElementById('test-form'), {
    'trigger': false,
    'fields': {
        'encoder_key': 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
    },
    'templateId': 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
});
 
transformed.on('progress', function (received, expected, assembly) {
    console.log(arguments);
    console.log((received / expected) * 100);
});
 
transformed.on('success', function (assembly) {
    console.log(assembly);
});
 
transformed.on('error', function (err) {
    console.log(err);
});
 
transformed.appendField('beep', 'boop');
 
transformed.upload(function (err) {
    // called after all uploads are finished
});