File: File() constructor
The File() constructor creates a new File
object instance.
Syntax
new File(bits, name)
new File(bits, name, options)
Parameters
bits-
An iterable object such as an
Array, havingArrayBuffers,TypedArrays,DataViews,Blobs, strings, or a mix of any of such elements, that will be put inside theFile. Note that strings here are encoded as UTF-8, unlike the usual JavaScript UTF-16 strings. name-
A string representing the file name or the path to the file.
optionsOptional-
An options object containing optional attributes for the file. Available options are as follows:
type-
A string representing the MIME type of the content that will be put into the file. Defaults to a value of
"". lastModified-
A number representing the number of milliseconds between the Unix time epoch and when the file was last modified. Defaults to a value of
Date.now().
Examples
const file = new File(["foo"], "foo.txt", {
type: "text/plain",
});
Specifications
| Specification |
|---|
| File API # file-constructor |
Browser compatibility
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