Blob.prototype.slice

Returns a new blob containing the data in the specified range of bytes of the blob.

Syntax

slice(start?, end?, type?)

Parameters

• start optional

  The index of the first byte.

  If negative, counts from the end of the blob.

  If omitted, defaults to 0.

• end optional

  The index of the last byte plus one.

  If negative, counts from the end of the blob.

  If omitted, defaults to the size of the blob.

• type optional

  A string describing the media type of the blob.

  If omitted, defaults to the type of the original blob.

Return value

A new Blob object.

Example

let blob = new Blob(['Hello, world!'])
blob.slice(0, 5).textSync()

"Hello"