Function encodeChunk

docs/app/js/sanddance-app.js:114152–114160

(uint8, start, end)

    return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F];
}
function encodeChunk(uint8, start, end) {
    var tmp;
    var output = [];
    for(var i2 = start; i2 < end; i2 += 3){
        tmp = (uint8[i2] << 16 & 0xFF0000) + (uint8[i2 + 1] << 8 & 0xFF00) + (uint8[i2 + 2] & 0xFF);
        output.push(tripletToBase64(tmp));
    }
    return output.join("");
}
function fromByteArray(uint8) {
    var tmp;
    var len3 = uint8.length;