slice


Purpose

Returns a new Blob object instance.

Signature

file.slice(start, end, contentType)

Returns

The slice method returns a new Blob object with bytes ranging from the optional start parameter up to but not including the optional end parameter, and with a type attribute that is the value of the optional contentType parameter.

Parameter

Name Description Type Use
start Specifies a value for the start point of a slice call, and must be treated as a byte-order position, with the zeroth position representing the first byte. int optional
end Specifies a value for the end point of a slice call. int optional
contentType Sets a value identical to one that is set with the HTTP/1.1 content-type header on the Blob object returned by the slice call. int optional

Related topics

Overview
Blob
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