CODE EXAMPLE FOR JAVASCRIPT

formdata is empty after append in angular

const uploadFile = (files) => {
  console.log("Uploading file...");
  const API_ENDPOINT = "https://file.io";
  const request = new XMLHttpRequest();
  const formData = new FormData();

  request.open("POST", API_ENDPOINT, true);
  request.onreadystatechange = () => {
    if (request.readyState === 4 && request.status === 200) {
      console.log(request.responseText);
    }
  };
  
  for (let i = 0; i < files.length; i++) {
    formData.append(files[i].name, files[i])
  }
  request.send(formData);
};