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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 attribute contains the contents of the file as a text string.

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 'FileReader' in that specification.
Working Draft Initial definition

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
Basic support 7 Yes 3.6 10 11 6
Mobile
Android webview Chrome for Android Edge Mobile Firefox for Android Opera for Android iOS Safari Samsung Internet
Basic support ? Yes Yes 32 11 6.1 ?

See also

© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/FileReader/readAsText