TextEncoder : Object

constructor

Encodes a String into a UTF-8 stream of bytes.

Constructors

new TextEncoder() : TextEncoder

Creates an encoder that can convert strings to a sequence of UTF-8 bytes.

Example:

const encoder = new TextEncoder();
console.log(encoder.encode('abc'));
console.log(encoder.encode('😀🐱⚽️'));

Run

Results:

Spec

Instance Properties

encoding : String readonly

Returns the encoding method. Currently only 'utf-8' is supported.

Example:

const encoder = new TextEncoder();
console.log(encoder.encoding);

Run

Results:

Spec

Instance Methods

encode(value = '' : String) : Uint8Array

Converts value into a sequence of UTF-8 bytes.

Example:

const encoder = new TextEncoder();
console.log(encoder.encode('abc'));
console.log(encoder.encode('😀🐱⚽️'));

Run

Results:

Spec

encodeInto(value : String, destination : Uint8Array) : Object

return : {

read :	Number	The number of UTF-16 characters read from `value`.
written :	Number	The number of bytes written to `destination`.

}

Writes value as a sequence of UTF-8 bytes into destination. Returns information about the number of characters read from value and bytes written to destination.

Example:

const encoder = new TextEncoder();
const buffer = new Uint8Array(20);
console.dir(encoder.encodeInto('😀🐱⚽️', buffer));
console.log(buffer);

Run

Results:

Spec

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