Blob()
The Blob()
constructor returns a
new Blob
object. The content of the blob consists of the concatenation
of the values given in the parameter array
.
Syntax
new Blob(array)
new Blob(array, options)
Parameters
array
-
An
Array
ofArrayBuffer
,ArrayBufferView
,Blob
, string objects, or a mix of any of such objects, that will be put inside theBlob
.USVString
objects are encoded as UTF-8. options
Optional-
An optional object of type
BlobPropertyBag
which may specify any of the following properties:type
Optional-
The MIME type of the data that will be stored into the blob. The default value is the empty string, (
""
). endings
Optional Non-Standard-
How to interpret newline characters (
\n
) within the contents, if the data is text. The default value,transparent
, copies newline characters into the blob without changing them. To convert newlines to the host system's native convention, specify the valuenative
.
Return value
A new Blob
object containing the specified data.
Examples
const array = ['<a id="a"><b id="b">hey!</b></a>']; // an array consisting of a single DOMString
const blob = new Blob(array, {type : 'text/html'}); // the blob
Specifications
Specification |
---|
File API # constructorBlob |
Browser compatibility
BCD tables only load in the browser
See also
- The deprecated
BlobBuilder
interface which this constructor replaces.