FormData - Web APIs | MDNFormData.append() Appends a new value onto an existing key inside a FormData object, or adds the key if it does not already exist. FormData.delete() Deletes a key/value pair from a FormData object. FormData.entries() Returns an iterator that iterates through all key/value pairs contained in the FormData. FormData.get() Returns the first value associated with a given key from within a FormData obje
