The FormData interface provides a way to easily construct a set of key/value pairs representing form fields and their values, which can then be easily sent using the XMLHttpRequest.send() method. It uses the same format a form would use if the encoding type were set to "multipart/form-data".
Source: https://developer.mozilla.org/en-US/docs/Web/API/FormData
However, ColdFusion does not support it
https://stackoverflow.com/questions/49011881/coldfusion-unable-to-read-formdata-sent-by-ajax
Attachments:
Comments: