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Created November 16, 2018 23:22
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postFile('', 'input[type="file"].avatar')
.then(data => console.log(data))
function postFile(url, fileSelector) {
const formData = new FormData()
const fileField = document.querySelector(fileSelector)
formData.append('username', 'abc123')
formData.append('avatar', fileField.files[0])
return fetch(url, {
method: 'POST', // 'GET', 'PUT', 'DELETE', etc.
body: formData // Coordinate the body type with 'Content-Type'
.then(response => response.json())
.catch(error => console.error(error))
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