FileReader.readAsText()

The readAsText() method is used to read the contents of the specified Blob or File. When the read operation is complete, the readyState is changed to DONE, the loadend event is triggered, and the result property contains the contents of the file as a text string.

Newer API avaliable
The Blob.text() method is a newer promise-based API to read a file as text.

Syntax

instanceOfFileReader.readAsText(blob[, encoding]);

Parameters

blob
The Blob or File from which to read.
encoding Optional
A string specifying the encoding to use for the returned data. By default, UTF-8 is assumed if this parameter is not specified.

Specifications

Specification Status Comment
File API
The definition of 'readAsText()' in that specification.
Working Draft Initial definition

Browser compatibility

BCD tables only load in the browser

See also