TextDecoder: decode() method - Web APIs | MDN
Syntax
js
decode()
decode(buffer)
decode(buffer, options)
Parameters
bufferOptional-
An
ArrayBuffer, aTypedArray, or aDataViewobject containing the encoded text to decode. optionsOptional-
An object with the property:
stream-
A boolean flag indicating whether additional data will follow in subsequent calls to
decode(). Set totrueif processing the data in chunks, andfalsefor the final chunk or if the data is not chunked. It defaults tofalse.
Exceptions
TypeError-
Thrown if there is a decoding error when the property
TextDecoder.fatalistrue.
Return value
A string.
Examples
This example encodes and decodes the euro symbol, €.
HTML
html
<p>Encoded value: <span id="encoded-value"></span></p>
<p>Decoded value: <span id="decoded-value"></span></p>
JavaScript
js
const encoder = new TextEncoder();
const array = encoder.encode("€"); // Uint8Array(3) [226, 130, 172]
document.getElementById("encoded-value").textContent = array;
const decoder = new TextDecoder();
const str = decoder.decode(array); // String "€"
document.getElementById("decoded-value").textContent = str;
Result
Specifications
| Specification |
|---|
| Encoding # ref-for-dom-textdecoder-decode① |
Browser compatibility
See also
- The
TextDecoderinterface it belongs to.