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This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The TextEncoder.encode method returns a Uint8Array containing the text given in parameters encoded with the specific method for that TextEncoder object.


b1 = encoder.encode(string, options);
b2 = encoder.encode(string);


Is a DOMString containing the text to encode.
options Optional
Is a TextEncodeOptions dictionary with the property:
A Boolean flag indicating if the encoding can be done in chunks or not. It defaults to false.


Specification Status Comment
The definition of 'TextEncoder.encode()' in that specification.
Living Standard Initial definition.

Browser compatibility

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 38 19.0 (19.0) [1] No support 25 10.1
Available in Web Workers 38 20.0 (20.0) No support 25 No support
Feature Android Firefox Mobile (Gecko) Firefox OS IE Phone Opera Mobile Safari Mobile
Basic support No support 19.0 (19.0) [1] 1.0.1 (19.0) No support ? No support
Available in Web Workers No support 20.0 (20.0) 1.0.1 (20.0) No support ? No support

[1] An earlier, and slightly different, version of the specification was implemented in Firefox 18.

See also

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Contributors to this page: gregtatum, giffeler, fscholz, realityking, kscarfone, teoli
Last updated by: gregtatum,