This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.
TextEncoder() constructor returns a newly created utf-8
encoder = new TextEncoder();
- TextEncoder() takes no parameters since Firefox 48 and Chrome 53
Note: Prior to Firefox 48 and Chrome 53, an encoding type label was accepted as a paramer to the TextEncoder object, since then both browers have removed support for any encoder type other than utf-8, to match the spec. Any type label passed into the TextEncoder constructor will now be ignored and a utf-8 TextEncoder will be created.
- TextEncoder() throws no exceptions since Firefox 48 and Chrome 53
Note: Prior to Firefox 48 and Chrome 53 an exception would be thrown for an unknown encoding type.
The definition of 'TextEncoder()' in that specification.
|Candidate Recommendation||Initial definition|
|Feature||Chrome||Firefox (Gecko)||Internet Explorer||Opera||Safari (WebKit)|
|Basic support||38||19.0 (19.0)
(utf-16 is not supported)
|No support||25||No support|
|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)||1.0.1 (19.0)||No support||No support||No support|
|Available in Web Workers||No support||20.0 (20.0)||1.0.1 (20.0)||No support||No support||No support|
 An earlier, and slightly different, version of the specification was implemented in Gecko 18.
TextEncoderinterface it belongs to.