The File()
constructor creates a new File
object instance.
Syntax
var myFile = new File(bits, name[, options]);
Parameters
- bits
- An
Array
ofArrayBuffer
,ArrayBufferView
,Blob
, orDOMString
objects — or a mix of any such objects. This is the file content 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 | Status | Comment |
---|---|---|
File API | Working Draft | Initial definition |
Browser compatibility
Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
---|---|---|---|---|---|---|
Basic support | 13 | (Yes) | 7 (7) | 10.0 | 11.5 | 6.0 |
Feature | Android | Edge | Firefox Mobile (Gecko) | IE Phone | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|
Basic support | No support | (Yes) | 7.0 (7) | No support | 11.1 | 6.0 |
See also
Document Tags and Contributors
Tags:
Contributors to this page:
chrisdavidmills,
runarberg
Last updated by:
chrisdavidmills,