Convert blob to base64

Question

This is a snippet for the code that I want to do Blob to Base64 string:

This commented part works and that when the URL generated by this i

Answer 1

this worked for me:

var blobToBase64 = function(blob, callback) {
    var reader = new FileReader();
    reader.onload = function() {
        var dataUrl = reader.result;
        var base64 = dataUrl.split(',')[1];
        callback(base64);
    };
    reader.readAsDataURL(blob);
};