[рони]

Prowler,

function getBase64(test, callback) {
    var newArray = [];
    for (var i = 0; i < test.length; i++) {
        var reader = new FileReader;
        reader.onload = function() {
            newArray.push(reader.result);
            if (test.length == newArray.length) callback(newArray)
        };
        reader.onerror = function(error) {
            console.log("Error: ", error)
        };
        reader.readAsDataURL(test[i])
    }
};