how to convert arraybuffer to string

Question

I have written a simple TCP server on node.js to send some data to a Chrome app. In the chrome app, when I get the data, I convert that to string using below function, I get

Answer 1

There is an asynchronous way using Blob and FileReader.

You can specify any valid encoding.

function arrayBufferToString( buffer, encoding, callback ) {
    var blob = new Blob([buffer],{type:'text/plain'});
    var reader = new FileReader();
    reader.onload = function(evt){callback(evt.target.result);};
    reader.readAsText(blob, encoding);
}

//example:
var buf = new Uint8Array([65,66,67]);
arrayBufferToString(buf, 'UTF-8', console.log.bind(console)); //"ABC"