A
string
or
that represents a single value from a set of
File
key-value pairs.
FormData
This type is returned by the
and
FormData.get()
methods. The
FormData.getAll()
method returns a single value while
FormData.get()
returns an array of
FormData.getAll()
FormDataEntryValue
。
注意，
and
FormData.append()
methods allow passing a
FormData.set()
value, which is converted to a
Blob
File
in the process.
FormDataEntryValue