File.classPrototype.readBytesAsync

Instance of

Function

Parameters

/*Number*/

Return value

/*Promise of String*/

Description

Input operation. Reads string of given length (in bytes) from file.

Example

let file = File();
file.create("abc.txt");
file.write("abbacda");
file.setReadPosition(0);
console.write(await file.readBytesAsync(4));

Expected output

abba