Save FIle from Bit

by Norlihazmey Ghazali

JavaScript

function base64ToArrayBuffer(base64) {
    var binaryString =  window.atob(base64);
    var binaryLen = binaryString.length;
    var bytes = new Uint8Array(binaryLen);
    for (var i = 0; i < binaryLen; i++)        {
        var ascii = binaryString.charCodeAt(i);
        bytes[i] = ascii;
    }
    return bytes;
}

var saveByteArray = (function () {
    var a = document.createElement("a");
    document.body.appendChild(a);
    a.style = "display: none";
    return function (data, name) {
        var blob = new Blob(data, {type: "octet/stream"}),
            url = window.URL.createObjectURL(blob);
        a.href = url;
        a.download = name;
        a.click();
        window.URL.revokeObjectURL(url);
    };
}());


var sampleBytes = base64ToArrayBuffer('R0lGODlhAQABAIAAAAUEBAAAACwAAAAAAQABAAACAkQBADs');
console.log(sampleBytes)
saveByteArray([104, 101, 108, 108, 111], 'black1x1.txt');