File()
The File()
constructor creates a new File
object instance.
Syntax
new File(bits, name[, options]);
Parameters
bits
-
An
Array
ofArrayBuffer
,ArrayBufferView
,Blob
,USVString
objects, or a mix of any of such objects, that will be put inside theFile
.USVString
objects are encoded as UTF-8. name
-
A
USVString
representing the file name or the path to the file. -
options
Optional -
An options object containing optional attributes for the file. Available options are as follows:
-
type
: ADOMString
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 ofDate.now()
.
-
Example
var file = new File(["foo"], "foo.txt", { type: "text/plain", });
Specifications
Specification |
---|
File API # file-constructor |
Browser compatibility
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
File |
38 |
79 |
28 |
No |
25 |
10 |
38 |
38 |
28 |
25 |
10 |
3.0 |
See also
© 2005–2021 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/File/File