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 compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support7 Yes3.610116
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support ? Yes Yes32116.1 ?

See also

Document Tags and Contributors

Last updated by: fscholz,